<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:83b9126e-fff2-4e18-b13e-5e704dad66de,g:ec239194-5c9c-43ec-9626-565c6731155f-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.appian.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="appn-20241231.xsd#CONSOLIDATEDBALANCESHEETS"/>
  <link:calculationLink xlink:role="http://www.appian.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_4a2c0503-ee2a-45e5-8ca9-67a738e135cb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_01d00068-430c-4730-803e-a3ceb561d1b7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_4a2c0503-ee2a-45e5-8ca9-67a738e135cb" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_01d00068-430c-4730-803e-a3ceb561d1b7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_0765c5d4-851b-49e1-80bb-df41ca747faf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_4a2c0503-ee2a-45e5-8ca9-67a738e135cb" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_0765c5d4-851b-49e1-80bb-df41ca747faf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_190ca3a3-e0b2-4d83-a403-1d88d15b4731" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_4a2c0503-ee2a-45e5-8ca9-67a738e135cb" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_190ca3a3-e0b2-4d83-a403-1d88d15b4731" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_dcbe6275-6376-4aac-81cd-e66283585783" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_4a2c0503-ee2a-45e5-8ca9-67a738e135cb" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_dcbe6275-6376-4aac-81cd-e66283585783" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_226c5d46-6c21-454b-8f8b-288e8ed40f29" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerLiabilityNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_4a2c0503-ee2a-45e5-8ca9-67a738e135cb" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_226c5d46-6c21-454b-8f8b-288e8ed40f29" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_a3c70c94-9c7e-4aa6-9c8f-da92508e7831" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_4a2c0503-ee2a-45e5-8ca9-67a738e135cb" xlink:to="loc_us-gaap_LiabilitiesCurrent_a3c70c94-9c7e-4aa6-9c8f-da92508e7831" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_806cbece-8248-4336-a346-f2df36d2193a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_ab9ae404-994c-4ae9-9fb0-e29e2cafb051" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_806cbece-8248-4336-a346-f2df36d2193a" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_ab9ae404-994c-4ae9-9fb0-e29e2cafb051" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_appn_DeferredCommissionsCurrent_a1c45f31-06b9-40d8-939e-717130ab5e2d" xlink:href="appn-20241231.xsd#appn_DeferredCommissionsCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_806cbece-8248-4336-a346-f2df36d2193a" xlink:to="loc_appn_DeferredCommissionsCurrent_a1c45f31-06b9-40d8-939e-717130ab5e2d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermInvestments_40b8297f-8a4c-464b-a056-605f4eac9539" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShortTermInvestments"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_806cbece-8248-4336-a346-f2df36d2193a" xlink:to="loc_us-gaap_ShortTermInvestments_40b8297f-8a4c-464b-a056-605f4eac9539" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_75c31c29-33fc-49f5-842e-95f3039c1688" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_806cbece-8248-4336-a346-f2df36d2193a" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_75c31c29-33fc-49f5-842e-95f3039c1688" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_29ec9626-eee2-4e1e-a535-30f7bd02c999" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_806cbece-8248-4336-a346-f2df36d2193a" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_29ec9626-eee2-4e1e-a535-30f7bd02c999" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_f00a8579-95f6-4a44-ab3a-691cf7eac410" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_appn_DeferredCommissionNoncurrent_3f5861da-f4a7-49cb-b1bc-05e5d6bc3f35" xlink:href="appn-20241231.xsd#appn_DeferredCommissionNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_f00a8579-95f6-4a44-ab3a-691cf7eac410" xlink:to="loc_appn_DeferredCommissionNoncurrent_3f5861da-f4a7-49cb-b1bc-05e5d6bc3f35" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_75bcd37a-68fc-4fb9-a623-8bc9b7e77dd9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_f00a8579-95f6-4a44-ab3a-691cf7eac410" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_75bcd37a-68fc-4fb9-a623-8bc9b7e77dd9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_3e618bc8-abb9-48ef-922a-838a060b2c5a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_f00a8579-95f6-4a44-ab3a-691cf7eac410" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_3e618bc8-abb9-48ef-922a-838a060b2c5a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_a8afe994-bea9-4807-8754-351d38ea1a44" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_f00a8579-95f6-4a44-ab3a-691cf7eac410" xlink:to="loc_us-gaap_AssetsCurrent_a8afe994-bea9-4807-8754-351d38ea1a44" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_0dbd289f-214a-4248-b93a-76f79fa7a7b0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_f00a8579-95f6-4a44-ab3a-691cf7eac410" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_0dbd289f-214a-4248-b93a-76f79fa7a7b0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_7713b55a-af0d-4f51-a896-02a7f987ef1a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_f00a8579-95f6-4a44-ab3a-691cf7eac410" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_7713b55a-af0d-4f51-a896-02a7f987ef1a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_152a0b53-7cd8-4536-8271-3d01455f13fc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_f00a8579-95f6-4a44-ab3a-691cf7eac410" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_152a0b53-7cd8-4536-8271-3d01455f13fc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_e508114f-26e6-40af-aa8c-a35607f00764" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_f00a8579-95f6-4a44-ab3a-691cf7eac410" xlink:to="loc_us-gaap_Goodwill_e508114f-26e6-40af-aa8c-a35607f00764" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_da3582f4-6395-444c-99c2-a94d15bcaccb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_ba93ec8a-d1af-4dc2-88d7-480a175cff98" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_da3582f4-6395-444c-99c2-a94d15bcaccb" xlink:to="loc_us-gaap_Liabilities_ba93ec8a-d1af-4dc2-88d7-480a175cff98" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_d5dd9919-beff-4bcb-a6b7-955ccfeb1d78" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_da3582f4-6395-444c-99c2-a94d15bcaccb" xlink:to="loc_us-gaap_CommitmentsAndContingencies_d5dd9919-beff-4bcb-a6b7-955ccfeb1d78" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_72d7fd15-0e2f-45dd-b465-d7293b2769eb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_da3582f4-6395-444c-99c2-a94d15bcaccb" xlink:to="loc_us-gaap_StockholdersEquity_72d7fd15-0e2f-45dd-b465-d7293b2769eb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_5456fe7a-7fc8-4cb9-a3fc-acd8e50bd044" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_d110af1e-9a3b-416e-800b-bc8efccebd2d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_5456fe7a-7fc8-4cb9-a3fc-acd8e50bd044" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_d110af1e-9a3b-416e-800b-bc8efccebd2d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedEmployeeBenefitsCurrent_cdfbd53a-4a66-43ec-9a9e-35fe8b4e53f5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedEmployeeBenefitsCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_5456fe7a-7fc8-4cb9-a3fc-acd8e50bd044" xlink:to="loc_us-gaap_AccruedEmployeeBenefitsCurrent_cdfbd53a-4a66-43ec-9a9e-35fe8b4e53f5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_4f8d0748-d84d-4783-aa4f-a04c0ce6ff98" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_5456fe7a-7fc8-4cb9-a3fc-acd8e50bd044" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_4f8d0748-d84d-4783-aa4f-a04c0ce6ff98" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_e916bd63-2b41-4290-b74b-d74ec72d4c1a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_5456fe7a-7fc8-4cb9-a3fc-acd8e50bd044" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_e916bd63-2b41-4290-b74b-d74ec72d4c1a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_e5dfeb6e-b08f-4b41-a071-860f2c5106e6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_5456fe7a-7fc8-4cb9-a3fc-acd8e50bd044" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_e5dfeb6e-b08f-4b41-a071-860f2c5106e6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_5d4fb51d-f370-46b1-a7dd-890ee767be80" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_5456fe7a-7fc8-4cb9-a3fc-acd8e50bd044" xlink:to="loc_us-gaap_AccountsPayableCurrent_5d4fb51d-f370-46b1-a7dd-890ee767be80" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_af391adb-aed8-4a2f-bb6a-73e8dae3914a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_5456fe7a-7fc8-4cb9-a3fc-acd8e50bd044" xlink:to="loc_us-gaap_LongTermDebtCurrent_af391adb-aed8-4a2f-bb6a-73e8dae3914a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_958714c7-a03f-4fa4-b539-78a441b42808" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_1b8dd199-6faa-46c0-9995-1678635622e2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_958714c7-a03f-4fa4-b539-78a441b42808" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_1b8dd199-6faa-46c0-9995-1678635622e2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_166c584c-7fae-4e86-be54-94c0e31b996e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_958714c7-a03f-4fa4-b539-78a441b42808" xlink:to="loc_us-gaap_CommonStockValue_166c584c-7fae-4e86-be54-94c0e31b996e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_994d78a5-9833-43f6-88e7-79b67e5b4513" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_958714c7-a03f-4fa4-b539-78a441b42808" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_994d78a5-9833-43f6-88e7-79b67e5b4513" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_8e132304-7e8c-47f9-b733-4bc42ca4fbc8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_958714c7-a03f-4fa4-b539-78a441b42808" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_8e132304-7e8c-47f9-b733-4bc42ca4fbc8" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.appian.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="simple" xlink:href="appn-20241231.xsd#CONSOLIDATEDSTATEMENTSOFOPERATIONS"/>
  <link:calculationLink xlink:role="http://www.appian.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_9d8906f4-57b7-4614-bb0b-396a9b96804c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GrossProfit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_04c47e7c-bddd-4d83-9b9d-60056eaf4cc1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_9d8906f4-57b7-4614-bb0b-396a9b96804c" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_04c47e7c-bddd-4d83-9b9d-60056eaf4cc1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_66ad8b84-97d0-48b9-82bf-8a0af3902a1c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_9d8906f4-57b7-4614-bb0b-396a9b96804c" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_66ad8b84-97d0-48b9-82bf-8a0af3902a1c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_aa21f9d0-a475-4714-95e2-a13607a987ed" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_62706f51-d671-4879-8d69-01d8eb8ba026" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_aa21f9d0-a475-4714-95e2-a13607a987ed" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_62706f51-d671-4879-8d69-01d8eb8ba026" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_38beb8eb-1707-45cf-abea-c3ccd425cea5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_aa21f9d0-a475-4714-95e2-a13607a987ed" xlink:to="loc_us-gaap_InterestExpenseNonoperating_38beb8eb-1707-45cf-abea-c3ccd425cea5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_13954fd6-e813-4efe-8aa1-55df5b22d3a4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_42990e49-c24a-4449-9340-dec0ffa6f304" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GrossProfit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_13954fd6-e813-4efe-8aa1-55df5b22d3a4" xlink:to="loc_us-gaap_GrossProfit_42990e49-c24a-4449-9340-dec0ffa6f304" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_7b410078-080c-4c41-b12e-7dea247fc8ee" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpenses"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_13954fd6-e813-4efe-8aa1-55df5b22d3a4" xlink:to="loc_us-gaap_OperatingExpenses_7b410078-080c-4c41-b12e-7dea247fc8ee" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_78231490-43e8-417d-9d09-b77c1dddeb6e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_1531ce41-49b5-491b-a754-0f4bbc77ab7e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_78231490-43e8-417d-9d09-b77c1dddeb6e" xlink:to="loc_us-gaap_OperatingIncomeLoss_1531ce41-49b5-491b-a754-0f4bbc77ab7e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_88459b27-4cff-4a65-b90c-83a55cdea251" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_78231490-43e8-417d-9d09-b77c1dddeb6e" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_88459b27-4cff-4a65-b90c-83a55cdea251" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_146d613c-8fcf-4b71-a0c8-b33dc8ba2dc5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpense_7961ee43-19d0-4762-84d5-e5199e301b89" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SellingAndMarketingExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_146d613c-8fcf-4b71-a0c8-b33dc8ba2dc5" xlink:to="loc_us-gaap_SellingAndMarketingExpense_7961ee43-19d0-4762-84d5-e5199e301b89" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_7ebf0dc4-5a14-4de5-b3ea-9715fdf1b9c0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_146d613c-8fcf-4b71-a0c8-b33dc8ba2dc5" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_7ebf0dc4-5a14-4de5-b3ea-9715fdf1b9c0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_26dcf2ee-6a6c-4574-a51f-d18bc76d7c36" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_146d613c-8fcf-4b71-a0c8-b33dc8ba2dc5" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_26dcf2ee-6a6c-4574-a51f-d18bc76d7c36" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_9cd13b05-0c8c-4672-b2af-ef110afa85bf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_3f57b847-a425-49ee-9dd9-8e2472eac42c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_9cd13b05-0c8c-4672-b2af-ef110afa85bf" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_3f57b847-a425-49ee-9dd9-8e2472eac42c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_8eebcb3c-8776-4b7e-8c2d-9ddc96009e40" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_9cd13b05-0c8c-4672-b2af-ef110afa85bf" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_8eebcb3c-8776-4b7e-8c2d-9ddc96009e40" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.appian.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVELOSS" xlink:type="simple" xlink:href="appn-20241231.xsd#CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVELOSS"/>
  <link:calculationLink xlink:role="http://www.appian.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVELOSS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_f4c9a44c-ca7b-4e57-a1e1-5b1ceef16246" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_5c9919d9-8859-4d63-8984-9a5a73710016" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_f4c9a44c-ca7b-4e57-a1e1-5b1ceef16246" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_5c9919d9-8859-4d63-8984-9a5a73710016" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_0331f8fc-90b6-4aa4-906a-7bc143a95f94" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_f4c9a44c-ca7b-4e57-a1e1-5b1ceef16246" xlink:to="loc_us-gaap_NetIncomeLoss_0331f8fc-90b6-4aa4-906a-7bc143a95f94" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_b2408e26-b72c-459b-b49a-fc7535d43ba4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_f4c9a44c-ca7b-4e57-a1e1-5b1ceef16246" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_b2408e26-b72c-459b-b49a-fc7535d43ba4" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.appian.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="simple" xlink:href="appn-20241231.xsd#CONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
  <link:calculationLink xlink:role="http://www.appian.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fa25413c-7d4f-4cd6-8c01-e88506279223" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossUnrealized_13f427d2-054d-4c4d-9dff-686ca56ec14b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ForeignCurrencyTransactionGainLossUnrealized"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fa25413c-7d4f-4cd6-8c01-e88506279223" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossUnrealized_13f427d2-054d-4c4d-9dff-686ca56ec14b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_ad2e8fbc-c494-4d8f-b4f4-7f6ae0e7a39a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fa25413c-7d4f-4cd6-8c01-e88506279223" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_ad2e8fbc-c494-4d8f-b4f4-7f6ae0e7a39a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_f56ff6be-d0d7-42e6-bb64-168ad807f425" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fa25413c-7d4f-4cd6-8c01-e88506279223" xlink:to="loc_us-gaap_NetIncomeLoss_f56ff6be-d0d7-42e6-bb64-168ad807f425" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_appn_IncreaseDecreaseInDeferredCommissions_b4cdf925-3fb2-45b6-b940-28a92d52ffd1" xlink:href="appn-20241231.xsd#appn_IncreaseDecreaseInDeferredCommissions"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fa25413c-7d4f-4cd6-8c01-e88506279223" xlink:to="loc_appn_IncreaseDecreaseInDeferredCommissions_b4cdf925-3fb2-45b6-b940-28a92d52ffd1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_75d6101c-a96b-4852-9729-2848914d2276" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerLiability"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fa25413c-7d4f-4cd6-8c01-e88506279223" xlink:to="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_75d6101c-a96b-4852-9729-2848914d2276" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_3a080f18-2a6d-4150-a5d7-09268a73245e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fa25413c-7d4f-4cd6-8c01-e88506279223" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_3a080f18-2a6d-4150-a5d7-09268a73245e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_6a788cee-f555-43af-9504-18351e808e43" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fa25413c-7d4f-4cd6-8c01-e88506279223" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_6a788cee-f555-43af-9504-18351e808e43" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_bf2083f2-4884-4db1-aaa2-94d5cf6f9318" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fa25413c-7d4f-4cd6-8c01-e88506279223" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_bf2083f2-4884-4db1-aaa2-94d5cf6f9318" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_5e389351-1d8e-4384-b708-c4fd85265a86" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fa25413c-7d4f-4cd6-8c01-e88506279223" xlink:to="loc_us-gaap_ShareBasedCompensation_5e389351-1d8e-4384-b708-c4fd85265a86" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_e2ae5e4a-82de-44e8-abf2-ca9431be6a77" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fa25413c-7d4f-4cd6-8c01-e88506279223" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_e2ae5e4a-82de-44e8-abf2-ca9431be6a77" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseImpairmentLoss_0ad02d8e-cbb4-46e3-a89d-8c89b1c974f3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseImpairmentLoss"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fa25413c-7d4f-4cd6-8c01-e88506279223" xlink:to="loc_us-gaap_OperatingLeaseImpairmentLoss_0ad02d8e-cbb4-46e3-a89d-8c89b1c974f3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_94a2b393-386c-4cbb-b952-f1c9962e5cad" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fa25413c-7d4f-4cd6-8c01-e88506279223" xlink:to="loc_us-gaap_DepreciationAndAmortization_94a2b393-386c-4cbb-b952-f1c9962e5cad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_05e49fd7-3566-4a67-aec9-c7f679329a75" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AmortizationOfFinancingCosts"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fa25413c-7d4f-4cd6-8c01-e88506279223" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_05e49fd7-3566-4a67-aec9-c7f679329a75" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_appn_IncreaseDecreaseInOperatingLeaseAssetsAndLiabilities_454f20a2-0671-4e46-ae53-7a1b9dbd13b3" xlink:href="appn-20241231.xsd#appn_IncreaseDecreaseInOperatingLeaseAssetsAndLiabilities"/>
    <link:calculationArc order="14" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fa25413c-7d4f-4cd6-8c01-e88506279223" xlink:to="loc_appn_IncreaseDecreaseInOperatingLeaseAssetsAndLiabilities_454f20a2-0671-4e46-ae53-7a1b9dbd13b3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_3e4dc273-f8b1-4a7b-a050-abb78f315ed8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment"/>
    <link:calculationArc order="15" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fa25413c-7d4f-4cd6-8c01-e88506279223" xlink:to="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_3e4dc273-f8b1-4a7b-a050-abb78f315ed8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_f040b1ad-3374-4522-a0bf-144b7a0e6bfb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:calculationArc order="16" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fa25413c-7d4f-4cd6-8c01-e88506279223" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_f040b1ad-3374-4522-a0bf-144b7a0e6bfb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_appn_IncreaseDecreaseInAccruedCompensationAndRelatedBenefits_35aa6013-133c-4e15-bd76-c1faa70e0c33" xlink:href="appn-20241231.xsd#appn_IncreaseDecreaseInAccruedCompensationAndRelatedBenefits"/>
    <link:calculationArc order="17" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fa25413c-7d4f-4cd6-8c01-e88506279223" xlink:to="loc_appn_IncreaseDecreaseInAccruedCompensationAndRelatedBenefits_35aa6013-133c-4e15-bd76-c1faa70e0c33" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_e3202684-d9c9-413f-bccd-056bff9933bd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1351417d-d44e-4b31-8ec6-e7dcd2759091" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_e3202684-d9c9-413f-bccd-056bff9933bd" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1351417d-d44e-4b31-8ec6-e7dcd2759091" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_0413e34a-a86a-455f-892a-0acb116290f8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_e3202684-d9c9-413f-bccd-056bff9933bd" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_0413e34a-a86a-455f-892a-0acb116290f8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_36876122-67e5-4354-aaa2-3c92e71cfd46" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_e3202684-d9c9-413f-bccd-056bff9933bd" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_36876122-67e5-4354-aaa2-3c92e71cfd46" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_841c9c0c-39be-4267-8d96-e802eebe2b96" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_e3202684-d9c9-413f-bccd-056bff9933bd" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_841c9c0c-39be-4267-8d96-e802eebe2b96" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_c4adca70-f170-490e-85f0-8bc65507ce2e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfDebt_3a9bdbad-c296-4eb4-b923-859ab6230521" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RepaymentsOfDebt"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_c4adca70-f170-490e-85f0-8bc65507ce2e" xlink:to="loc_us-gaap_RepaymentsOfDebt_3a9bdbad-c296-4eb4-b923-859ab6230521" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_4c491cbc-44cb-492f-9300-519af0a9595f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_c4adca70-f170-490e-85f0-8bc65507ce2e" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_4c491cbc-44cb-492f-9300-519af0a9595f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_a76275b6-c72d-4b6e-b9d7-a144c3ce90dc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_c4adca70-f170-490e-85f0-8bc65507ce2e" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_a76275b6-c72d-4b6e-b9d7-a144c3ce90dc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_4e8a161b-95a5-4dfd-826c-fe4df7c725a3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsOfDebtIssuanceCosts"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_c4adca70-f170-490e-85f0-8bc65507ce2e" xlink:to="loc_us-gaap_PaymentsOfDebtIssuanceCosts_4e8a161b-95a5-4dfd-826c-fe4df7c725a3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfDebt_6238b070-e724-4065-a29f-8c5793baa7d6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromIssuanceOfDebt"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_c4adca70-f170-490e-85f0-8bc65507ce2e" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfDebt_6238b070-e724-4065-a29f-8c5793baa7d6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_881be223-c817-48fc-9336-344cbcd9c996" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromStockOptionsExercised"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_c4adca70-f170-490e-85f0-8bc65507ce2e" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_881be223-c817-48fc-9336-344cbcd9c996" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1df7ee8a-d8c5-4dfa-98c9-c15e6bbdaab0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireInvestments_31ec9b27-bac1-4fe3-bed4-9f9d85e56d7d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireInvestments"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1df7ee8a-d8c5-4dfa-98c9-c15e6bbdaab0" xlink:to="loc_us-gaap_PaymentsToAcquireInvestments_31ec9b27-bac1-4fe3-bed4-9f9d85e56d7d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_e2a4db38-fef7-4d23-b51d-250899665805" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1df7ee8a-d8c5-4dfa-98c9-c15e6bbdaab0" xlink:to="loc_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_e2a4db38-fef7-4d23-b51d-250899665805" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_a8ac6cb9-40ef-4e07-a2b5-4a1b3879bc12" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1df7ee8a-d8c5-4dfa-98c9-c15e6bbdaab0" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_a8ac6cb9-40ef-4e07-a2b5-4a1b3879bc12" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.appian.com/role/AccountingPoliciesCashCashEquivalentsandRestrictedCashDetails" xlink:type="simple" xlink:href="appn-20241231.xsd#AccountingPoliciesCashCashEquivalentsandRestrictedCashDetails"/>
  <link:calculationLink xlink:role="http://www.appian.com/role/AccountingPoliciesCashCashEquivalentsandRestrictedCashDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_b1cb7fa5-a709-4adb-8ddb-60f03304cf22" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_f91fffc9-3a88-49a0-ae58-ebe6f50abfc9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_b1cb7fa5-a709-4adb-8ddb-60f03304cf22" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_f91fffc9-3a88-49a0-ae58-ebe6f50abfc9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashCurrent_991be002-9f29-4d73-9deb-948a5c71b9ba" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedCashCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_b1cb7fa5-a709-4adb-8ddb-60f03304cf22" xlink:to="loc_us-gaap_RestrictedCashCurrent_991be002-9f29-4d73-9deb-948a5c71b9ba" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.appian.com/role/RevenueScheduleofContractAssetandContractLiabilityDetails" xlink:type="simple" xlink:href="appn-20241231.xsd#RevenueScheduleofContractAssetandContractLiabilityDetails"/>
  <link:calculationLink xlink:role="http://www.appian.com/role/RevenueScheduleofContractAssetandContractLiabilityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNet_52cf498b-1c78-4caa-a179-34aead27ebbf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerAssetNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNetCurrent_3e5e00d8-e41c-44ae-a691-243747b6d6da" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerAssetNetCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ContractWithCustomerAssetNet_52cf498b-1c78-4caa-a179-34aead27ebbf" xlink:to="loc_us-gaap_ContractWithCustomerAssetNetCurrent_3e5e00d8-e41c-44ae-a691-243747b6d6da" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNetNoncurrent_1d68b9ef-e72e-4959-b19d-fea595044d63" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerAssetNetNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ContractWithCustomerAssetNet_52cf498b-1c78-4caa-a179-34aead27ebbf" xlink:to="loc_us-gaap_ContractWithCustomerAssetNetNoncurrent_1d68b9ef-e72e-4959-b19d-fea595044d63" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiability_34963539-dd23-444d-b8a8-44097e645cc1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_168dbda7-5c13-4582-a99d-69cdd2c2030b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerLiabilityNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ContractWithCustomerLiability_34963539-dd23-444d-b8a8-44097e645cc1" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_168dbda7-5c13-4582-a99d-69cdd2c2030b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_7b781051-a70a-45d4-adfc-5626f8d25082" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ContractWithCustomerLiability_34963539-dd23-444d-b8a8-44097e645cc1" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_7b781051-a70a-45d4-adfc-5626f8d25082" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.appian.com/role/LeasesComponentsofLeaseExpenseDetails" xlink:type="simple" xlink:href="appn-20241231.xsd#LeasesComponentsofLeaseExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.appian.com/role/LeasesComponentsofLeaseExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCost_9b588e27-bd91-490e-bfeb-74c4c7962135" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LeaseCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableLeaseCost_e47a0236-dcf6-477a-a64a-4f4569da36fb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableLeaseCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_9b588e27-bd91-490e-bfeb-74c4c7962135" xlink:to="loc_us-gaap_VariableLeaseCost_e47a0236-dcf6-477a-a64a-4f4569da36fb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermLeaseCost_e3628dab-1ea5-400a-ab74-8e266db29fea" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShortTermLeaseCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_9b588e27-bd91-490e-bfeb-74c4c7962135" xlink:to="loc_us-gaap_ShortTermLeaseCost_e3628dab-1ea5-400a-ab74-8e266db29fea" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_6a905f6f-3867-43fc-bc30-fa43cc1cbf29" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseCost"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_9b588e27-bd91-490e-bfeb-74c4c7962135" xlink:to="loc_us-gaap_OperatingLeaseCost_6a905f6f-3867-43fc-bc30-fa43cc1cbf29" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.appian.com/role/LeasesSupplementalBalanceSheetInformationDetails" xlink:type="simple" xlink:href="appn-20241231.xsd#LeasesSupplementalBalanceSheetInformationDetails"/>
  <link:calculationLink xlink:role="http://www.appian.com/role/LeasesSupplementalBalanceSheetInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_b8bad5bc-1079-4aa4-bf9b-f02e3e89910d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_1e1b8cbf-6a67-4f3e-88f5-dff862150863" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeaseLiability_b8bad5bc-1079-4aa4-bf9b-f02e3e89910d" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_1e1b8cbf-6a67-4f3e-88f5-dff862150863" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_ef118099-3a3f-4cf7-95f5-6915d75dfadf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeaseLiability_b8bad5bc-1079-4aa4-bf9b-f02e3e89910d" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_ef118099-3a3f-4cf7-95f5-6915d75dfadf" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.appian.com/role/LeasesFutureMinimumOperatingLeaseCommitmentsDetails" xlink:type="simple" xlink:href="appn-20241231.xsd#LeasesFutureMinimumOperatingLeaseCommitmentsDetails"/>
  <link:calculationLink xlink:role="http://www.appian.com/role/LeasesFutureMinimumOperatingLeaseCommitmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_16929182-0fd6-405f-8386-6f101d628c03" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_652c5112-83ef-4910-ab00-5db4737ab51c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_16929182-0fd6-405f-8386-6f101d628c03" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_652c5112-83ef-4910-ab00-5db4737ab51c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_edf05452-e511-4bfa-87df-49d4974b502c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_16929182-0fd6-405f-8386-6f101d628c03" xlink:to="loc_us-gaap_OperatingLeaseLiability_edf05452-e511-4bfa-87df-49d4974b502c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.appian.com/role/LeasesFutureMinimumOperatingLeaseCommitmentsDetails_1" xlink:type="simple" xlink:href="appn-20241231.xsd#LeasesFutureMinimumOperatingLeaseCommitmentsDetails_1"/>
  <link:calculationLink xlink:role="http://www.appian.com/role/LeasesFutureMinimumOperatingLeaseCommitmentsDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_f11df0ae-b77d-44da-87c3-5c350eb2f54e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_008ce06b-afe2-46bf-8d3f-74cefb6a57fe" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_f11df0ae-b77d-44da-87c3-5c350eb2f54e" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_008ce06b-afe2-46bf-8d3f-74cefb6a57fe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_49df1f14-53ff-4245-8a10-5b7c2439c8c7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_f11df0ae-b77d-44da-87c3-5c350eb2f54e" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_49df1f14-53ff-4245-8a10-5b7c2439c8c7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_8fe74a19-ae12-4e46-a4ae-37bc6bfa3093" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_f11df0ae-b77d-44da-87c3-5c350eb2f54e" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_8fe74a19-ae12-4e46-a4ae-37bc6bfa3093" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_91c86f2e-c5c1-496f-bd42-68907f04492a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_f11df0ae-b77d-44da-87c3-5c350eb2f54e" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_91c86f2e-c5c1-496f-bd42-68907f04492a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_e58f8539-966a-4052-a2e3-0f5c8b2e060b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_f11df0ae-b77d-44da-87c3-5c350eb2f54e" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_e58f8539-966a-4052-a2e3-0f5c8b2e060b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_159a8bf9-b039-46a6-9659-dd29a7f65816" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_f11df0ae-b77d-44da-87c3-5c350eb2f54e" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_159a8bf9-b039-46a6-9659-dd29a7f65816" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.appian.com/role/GoodwillandIntangibleAssetsScheduleofFiniteLivedIntangibleAssetsDetails" xlink:type="simple" xlink:href="appn-20241231.xsd#GoodwillandIntangibleAssetsScheduleofFiniteLivedIntangibleAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.appian.com/role/GoodwillandIntangibleAssetsScheduleofFiniteLivedIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_ad5cfa48-d0a3-43b6-960f-4f3eaa463f66" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_8c9e1387-826f-44e6-8f0f-c1d17475567c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_ad5cfa48-d0a3-43b6-960f-4f3eaa463f66" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_8c9e1387-826f-44e6-8f0f-c1d17475567c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_302ad022-4f1c-4801-afed-b119e2bc0e1c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_ad5cfa48-d0a3-43b6-960f-4f3eaa463f66" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_302ad022-4f1c-4801-afed-b119e2bc0e1c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.appian.com/role/GoodwillandIntangibleAssetsScheduleofAmortizationofIntangibleAssetsDetails" xlink:type="simple" xlink:href="appn-20241231.xsd#GoodwillandIntangibleAssetsScheduleofAmortizationofIntangibleAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.appian.com/role/GoodwillandIntangibleAssetsScheduleofAmortizationofIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_75186ce7-9d1b-4bc3-a7d2-34879e0a2b98" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_db643019-c8bc-4759-ba9e-ede78b0010a0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_75186ce7-9d1b-4bc3-a7d2-34879e0a2b98" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_db643019-c8bc-4759-ba9e-ede78b0010a0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_b66ba92a-fae2-4c3b-a812-88c4bdfd708d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_75186ce7-9d1b-4bc3-a7d2-34879e0a2b98" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_b66ba92a-fae2-4c3b-a812-88c4bdfd708d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_8513fe00-92ae-415c-a58a-aca3ccf39bde" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_75186ce7-9d1b-4bc3-a7d2-34879e0a2b98" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_8513fe00-92ae-415c-a58a-aca3ccf39bde" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_d61a4db7-9821-4adf-a50d-dd739a7dc7b5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_75186ce7-9d1b-4bc3-a7d2-34879e0a2b98" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_d61a4db7-9821-4adf-a50d-dd739a7dc7b5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_1b668eb2-5edb-4a89-b0e4-f7d1b814669e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_75186ce7-9d1b-4bc3-a7d2-34879e0a2b98" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_1b668eb2-5edb-4a89-b0e4-f7d1b814669e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_27fc49cd-3c43-49fc-b15c-fd545908b122" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_75186ce7-9d1b-4bc3-a7d2-34879e0a2b98" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_27fc49cd-3c43-49fc-b15c-fd545908b122" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.appian.com/role/PropertyandEquipmentnetScheduleofPropertyandEquipmentDetails" xlink:type="simple" xlink:href="appn-20241231.xsd#PropertyandEquipmentnetScheduleofPropertyandEquipmentDetails"/>
  <link:calculationLink xlink:role="http://www.appian.com/role/PropertyandEquipmentnetScheduleofPropertyandEquipmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_e22d15b4-dc2b-42dc-bcc8-86f7b87072ac" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_5a22d08d-d47e-41cf-a816-1f26264a0d5b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_e22d15b4-dc2b-42dc-bcc8-86f7b87072ac" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_5a22d08d-d47e-41cf-a816-1f26264a0d5b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_d9954ea1-e6fa-4141-b12e-a8332f65253d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_e22d15b4-dc2b-42dc-bcc8-86f7b87072ac" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_d9954ea1-e6fa-4141-b12e-a8332f65253d" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.appian.com/role/AccruedExpensesDetails" xlink:type="simple" xlink:href="appn-20241231.xsd#AccruedExpensesDetails"/>
  <link:calculationLink xlink:role="http://www.appian.com/role/AccruedExpensesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_db2b4e0f-ecf4-4017-9bcb-341e1a70068a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_appn_AccruedLegalCostsCurrent_508122ab-52f4-428b-b748-536f22f9dabd" xlink:href="appn-20241231.xsd#appn_AccruedLegalCostsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_db2b4e0f-ecf4-4017-9bcb-341e1a70068a" xlink:to="loc_appn_AccruedLegalCostsCurrent_508122ab-52f4-428b-b748-536f22f9dabd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_appn_AccruedCapitalExpendituresCurrent_cb591c27-f3f3-4c94-b588-c735c03c9dac" xlink:href="appn-20241231.xsd#appn_AccruedCapitalExpendituresCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_db2b4e0f-ecf4-4017-9bcb-341e1a70068a" xlink:to="loc_appn_AccruedCapitalExpendituresCurrent_cb591c27-f3f3-4c94-b588-c735c03c9dac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedProfessionalFeesCurrent_2b3026f4-0b76-46f6-8382-f622873009bc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedProfessionalFeesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_db2b4e0f-ecf4-4017-9bcb-341e1a70068a" xlink:to="loc_us-gaap_AccruedProfessionalFeesCurrent_2b3026f4-0b76-46f6-8382-f622873009bc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_e5dfd3c7-a4b0-452a-a0ad-dd70080a72ad" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_db2b4e0f-ecf4-4017-9bcb-341e1a70068a" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_e5dfd3c7-a4b0-452a-a0ad-dd70080a72ad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherEmployeeRelatedLiabilitiesCurrentAndNoncurrent_b5ac50ae-2a8f-40ee-b333-d1f29d221fad" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherEmployeeRelatedLiabilitiesCurrentAndNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_db2b4e0f-ecf4-4017-9bcb-341e1a70068a" xlink:to="loc_us-gaap_OtherEmployeeRelatedLiabilitiesCurrentAndNoncurrent_b5ac50ae-2a8f-40ee-b333-d1f29d221fad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_appn_AccruedContractEmploymentCurrent_a5fdf45c-b4f5-4e8b-8af6-3ef9776f18ae" xlink:href="appn-20241231.xsd#appn_AccruedContractEmploymentCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_db2b4e0f-ecf4-4017-9bcb-341e1a70068a" xlink:to="loc_appn_AccruedContractEmploymentCurrent_a5fdf45c-b4f5-4e8b-8af6-3ef9776f18ae" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_appn_AccruedHostingCostsCurrent_3c5c853e-cb28-4dff-84fb-75d72635f468" xlink:href="appn-20241231.xsd#appn_AccruedHostingCostsCurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_db2b4e0f-ecf4-4017-9bcb-341e1a70068a" xlink:to="loc_appn_AccruedHostingCostsCurrent_3c5c853e-cb28-4dff-84fb-75d72635f468" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedMarketingCostsCurrent_a5fd918e-e057-4446-8414-4cda6af4dc43" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedMarketingCostsCurrent"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_db2b4e0f-ecf4-4017-9bcb-341e1a70068a" xlink:to="loc_us-gaap_AccruedMarketingCostsCurrent_a5fd918e-e057-4446-8414-4cda6af4dc43" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxesPayableCurrent_dca26a01-dcd6-433e-b0d8-9748e1283a6f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TaxesPayableCurrent"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_db2b4e0f-ecf4-4017-9bcb-341e1a70068a" xlink:to="loc_us-gaap_TaxesPayableCurrent_dca26a01-dcd6-433e-b0d8-9748e1283a6f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_appn_AccruedThirdPartyLicenseFeeCurrent_56f8529e-2ead-4891-96fb-f4a40be9e0ab" xlink:href="appn-20241231.xsd#appn_AccruedThirdPartyLicenseFeeCurrent"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_db2b4e0f-ecf4-4017-9bcb-341e1a70068a" xlink:to="loc_appn_AccruedThirdPartyLicenseFeeCurrent_56f8529e-2ead-4891-96fb-f4a40be9e0ab" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.appian.com/role/DebtOutstandingLongtermDebtDetails" xlink:type="simple" xlink:href="appn-20241231.xsd#DebtOutstandingLongtermDebtDetails"/>
  <link:calculationLink xlink:role="http://www.appian.com/role/DebtOutstandingLongtermDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_a75c43f2-681c-479a-b0ba-4dc4e16dcad2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_98bc98e0-3103-4bff-b1fd-18e3cc3e2e7e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_a75c43f2-681c-479a-b0ba-4dc4e16dcad2" xlink:to="loc_us-gaap_LongTermDebtCurrent_98bc98e0-3103-4bff-b1fd-18e3cc3e2e7e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_d39ada87-4fed-4bed-91f7-c69e4d1fdce7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_a75c43f2-681c-479a-b0ba-4dc4e16dcad2" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_d39ada87-4fed-4bed-91f7-c69e4d1fdce7" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.appian.com/role/DebtOutstandingLongtermDebtDetails_1" xlink:type="simple" xlink:href="appn-20241231.xsd#DebtOutstandingLongtermDebtDetails_1"/>
  <link:calculationLink xlink:role="http://www.appian.com/role/DebtOutstandingLongtermDebtDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_fe006166-d3e5-4320-9803-06df9fa9971d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_d3f05631-84f6-4ad6-8bee-1a81c2fc754f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_fe006166-d3e5-4320-9803-06df9fa9971d" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_d3f05631-84f6-4ad6-8bee-1a81c2fc754f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_3582e592-95dc-4bc6-b7ed-8a3398026cb4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_fe006166-d3e5-4320-9803-06df9fa9971d" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_3582e592-95dc-4bc6-b7ed-8a3398026cb4" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.appian.com/role/DebtFutureLongTermDebtPrincipalPaymentsDetails" xlink:type="simple" xlink:href="appn-20241231.xsd#DebtFutureLongTermDebtPrincipalPaymentsDetails"/>
  <link:calculationLink xlink:role="http://www.appian.com/role/DebtFutureLongTermDebtPrincipalPaymentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_39c275f6-abf1-41e1-aa18-146914d494e8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_f97d012e-e85d-42d6-8343-ab02756dcb57" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_39c275f6-abf1-41e1-aa18-146914d494e8" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_f97d012e-e85d-42d6-8343-ab02756dcb57" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_97b5f04b-10db-4210-bd5e-6b0866388975" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_39c275f6-abf1-41e1-aa18-146914d494e8" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_97b5f04b-10db-4210-bd5e-6b0866388975" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_7a7fc509-86cb-42bd-a759-4131480f35c7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_39c275f6-abf1-41e1-aa18-146914d494e8" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_7a7fc509-86cb-42bd-a759-4131480f35c7" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.appian.com/role/IncomeTaxesLossBeforeIncomeTaxesDetails" xlink:type="simple" xlink:href="appn-20241231.xsd#IncomeTaxesLossBeforeIncomeTaxesDetails"/>
  <link:calculationLink xlink:role="http://www.appian.com/role/IncomeTaxesLossBeforeIncomeTaxesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_4cbe4045-80f5-49f4-b0f7-7b3f19bcfb0b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_c6a3d324-2e9f-462c-95f8-6380b0e3c6e7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_4cbe4045-80f5-49f4-b0f7-7b3f19bcfb0b" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_c6a3d324-2e9f-462c-95f8-6380b0e3c6e7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_c77bda6a-2474-49e3-9934-ece4fddae215" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_4cbe4045-80f5-49f4-b0f7-7b3f19bcfb0b" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_c77bda6a-2474-49e3-9934-ece4fddae215" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.appian.com/role/IncomeTaxesIncomeTaxExpenseDetails" xlink:type="simple" xlink:href="appn-20241231.xsd#IncomeTaxesIncomeTaxExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.appian.com/role/IncomeTaxesIncomeTaxExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_3a4b3fa8-bacb-4532-a9f3-803408d379a3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_f9d1fad7-eb83-4fac-80f5-327fc1b82ce8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_3a4b3fa8-bacb-4532-a9f3-803408d379a3" xlink:to="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_f9d1fad7-eb83-4fac-80f5-327fc1b82ce8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_a5feff98-f82b-4e12-b991-13160b89deec" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_3a4b3fa8-bacb-4532-a9f3-803408d379a3" xlink:to="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_a5feff98-f82b-4e12-b991-13160b89deec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_cae03792-ac2f-4e87-8c47-a1d2eb3d1201" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_3a4b3fa8-bacb-4532-a9f3-803408d379a3" xlink:to="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_cae03792-ac2f-4e87-8c47-a1d2eb3d1201" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_603086a9-e4fc-4a17-a830-1009f2b08b0f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_a7a5e0ed-f30f-4f57-876a-c2e8f030ce0b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_603086a9-e4fc-4a17-a830-1009f2b08b0f" xlink:to="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_a7a5e0ed-f30f-4f57-876a-c2e8f030ce0b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_64e911b6-0eca-4340-86fc-f429adedb23b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_603086a9-e4fc-4a17-a830-1009f2b08b0f" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_64e911b6-0eca-4340-86fc-f429adedb23b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_ae572a93-778e-4e63-91b6-5f22aa121fe0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_e1f753c7-553a-4a16-9acc-e2f07f5f5c26" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CurrentFederalTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_ae572a93-778e-4e63-91b6-5f22aa121fe0" xlink:to="loc_us-gaap_CurrentFederalTaxExpenseBenefit_e1f753c7-553a-4a16-9acc-e2f07f5f5c26" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_ee946715-2edb-4a00-beb6-9252c37b3c74" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_ae572a93-778e-4e63-91b6-5f22aa121fe0" xlink:to="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_ee946715-2edb-4a00-beb6-9252c37b3c74" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentForeignTaxExpenseBenefit_cf96a16c-149c-4eba-9f29-adda5944250e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CurrentForeignTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_ae572a93-778e-4e63-91b6-5f22aa121fe0" xlink:to="loc_us-gaap_CurrentForeignTaxExpenseBenefit_cf96a16c-149c-4eba-9f29-adda5944250e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.appian.com/role/IncomeTaxesReconciliationofStatutorytoEffectiveIncomeTaxRateDetails" xlink:type="simple" xlink:href="appn-20241231.xsd#IncomeTaxesReconciliationofStatutorytoEffectiveIncomeTaxRateDetails"/>
  <link:calculationLink xlink:role="http://www.appian.com/role/IncomeTaxesReconciliationofStatutorytoEffectiveIncomeTaxRateDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_f349aa85-9df4-4200-bade-95ca931efec6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_appn_EffectiveIncomeTaxRateReconciliationReturnToProvisionPercent_2216ceaf-3176-4a9f-b893-9e8e8a8b23f8" xlink:href="appn-20241231.xsd#appn_EffectiveIncomeTaxRateReconciliationReturnToProvisionPercent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_f349aa85-9df4-4200-bade-95ca931efec6" xlink:to="loc_appn_EffectiveIncomeTaxRateReconciliationReturnToProvisionPercent_2216ceaf-3176-4a9f-b893-9e8e8a8b23f8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_appn_EffectiveIncomeTaxRateReconciliationForeignTaxExpensePercent_ec54c4cc-76da-4024-87d1-b4834684d774" xlink:href="appn-20241231.xsd#appn_EffectiveIncomeTaxRateReconciliationForeignTaxExpensePercent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_f349aa85-9df4-4200-bade-95ca931efec6" xlink:to="loc_appn_EffectiveIncomeTaxRateReconciliationForeignTaxExpensePercent_ec54c4cc-76da-4024-87d1-b4834684d774" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther_3ffbf2b8-133c-44e8-a1fc-1acf52794028" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_f349aa85-9df4-4200-bade-95ca931efec6" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther_3ffbf2b8-133c-44e8-a1fc-1acf52794028" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_4f1b24d1-d549-41e9-abe1-b379e44b98e4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_f349aa85-9df4-4200-bade-95ca931efec6" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_4f1b24d1-d549-41e9-abe1-b379e44b98e4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_appn_EffectiveIncomeTaxRateReconciliationUnrecognizedTaxBenefitPercent_7a37262b-cf06-4d07-bd62-1de9a873a6cd" xlink:href="appn-20241231.xsd#appn_EffectiveIncomeTaxRateReconciliationUnrecognizedTaxBenefitPercent"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_f349aa85-9df4-4200-bade-95ca931efec6" xlink:to="loc_appn_EffectiveIncomeTaxRateReconciliationUnrecognizedTaxBenefitPercent_7a37262b-cf06-4d07-bd62-1de9a873a6cd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_a7a23799-8ed5-415d-9587-d41ac0155dca" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_f349aa85-9df4-4200-bade-95ca931efec6" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_a7a23799-8ed5-415d-9587-d41ac0155dca" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_90f4144c-fee2-41f2-8e02-0d4da9a3b877" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_f349aa85-9df4-4200-bade-95ca931efec6" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_90f4144c-fee2-41f2-8e02-0d4da9a3b877" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_appn_EffectiveIncomeTaxRateReconciliationDeferredAdjustmentsPercent_f2276cca-2cac-4867-9bb4-ed272a857679" xlink:href="appn-20241231.xsd#appn_EffectiveIncomeTaxRateReconciliationDeferredAdjustmentsPercent"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_f349aa85-9df4-4200-bade-95ca931efec6" xlink:to="loc_appn_EffectiveIncomeTaxRateReconciliationDeferredAdjustmentsPercent_f2276cca-2cac-4867-9bb4-ed272a857679" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_7f6b8d09-2243-4af7-a866-0d8d91412f69" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_f349aa85-9df4-4200-bade-95ca931efec6" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_7f6b8d09-2243-4af7-a866-0d8d91412f69" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_107fb530-2887-400b-9458-0d6a1cf43518" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_f349aa85-9df4-4200-bade-95ca931efec6" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_107fb530-2887-400b-9458-0d6a1cf43518" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationGiltiPercent_7d3e83dc-8f80-4da7-bd65-62c82d9f5951" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationGiltiPercent"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_f349aa85-9df4-4200-bade-95ca931efec6" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationGiltiPercent_7d3e83dc-8f80-4da7-bd65-62c82d9f5951" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_edc8a8db-395e-4593-b5cd-16361c499b2a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_f349aa85-9df4-4200-bade-95ca931efec6" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_edc8a8db-395e-4593-b5cd-16361c499b2a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_b70be38e-2b98-406a-a08b-40b0353128c1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_f349aa85-9df4-4200-bade-95ca931efec6" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_b70be38e-2b98-406a-a08b-40b0353128c1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits_560d1013-d515-46db-96df-b38312359388" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits"/>
    <link:calculationArc order="14" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_f349aa85-9df4-4200-bade-95ca931efec6" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits_560d1013-d515-46db-96df-b38312359388" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.appian.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails" xlink:type="simple" xlink:href="appn-20241231.xsd#IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.appian.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_c9322171-7bc0-4cb0-99d5-67d7d32f3d5f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_a5963a86-34db-42a5-ae62-7f477b1ff3e0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_c9322171-7bc0-4cb0-99d5-67d7d32f3d5f" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_a5963a86-34db-42a5-ae62-7f477b1ff3e0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts_9ae2d9a7-4f9c-44c5-a7ac-a700f0844dfc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_c9322171-7bc0-4cb0-99d5-67d7d32f3d5f" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts_9ae2d9a7-4f9c-44c5-a7ac-a700f0844dfc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation_bbfdab3b-fdcd-4fa9-9823-7633b7f22c28" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_c9322171-7bc0-4cb0-99d5-67d7d32f3d5f" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation_bbfdab3b-fdcd-4fa9-9823-7633b7f22c28" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwards_4db26223-a128-498c-abbb-3df86491cfde" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwards"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_c9322171-7bc0-4cb0-99d5-67d7d32f3d5f" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwards_4db26223-a128-498c-abbb-3df86491cfde" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_7aed25d0-7725-408a-88dd-e5f8b193f675" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_c9322171-7bc0-4cb0-99d5-67d7d32f3d5f" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_7aed25d0-7725-408a-88dd-e5f8b193f675" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_appn_DeferredTaxAssetsLeaseLiability_ab174e94-744c-4f76-b247-dea19ceb5f87" xlink:href="appn-20241231.xsd#appn_DeferredTaxAssetsLeaseLiability"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_c9322171-7bc0-4cb0-99d5-67d7d32f3d5f" xlink:to="loc_appn_DeferredTaxAssetsLeaseLiability_ab174e94-744c-4f76-b247-dea19ceb5f87" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOther_427bb9b7-9071-48ea-a682-97ea81415f4e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsOther"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_c9322171-7bc0-4cb0-99d5-67d7d32f3d5f" xlink:to="loc_us-gaap_DeferredTaxAssetsOther_427bb9b7-9071-48ea-a682-97ea81415f4e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsDeferredIncome_92ab2301-8fa8-40f5-a6a3-4cd6545cbea7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsDeferredIncome"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_c9322171-7bc0-4cb0-99d5-67d7d32f3d5f" xlink:to="loc_us-gaap_DeferredTaxAssetsDeferredIncome_92ab2301-8fa8-40f5-a6a3-4cd6545cbea7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseOther_7ba94e6c-c5ab-4414-9196-9be3ddcebfe4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseOther"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_c9322171-7bc0-4cb0-99d5-67d7d32f3d5f" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseOther_7ba94e6c-c5ab-4414-9196-9be3ddcebfe4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment_e28e5d63-8174-4050-bdce-b34e1223743f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_c9322171-7bc0-4cb0-99d5-67d7d32f3d5f" xlink:to="loc_us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment_e28e5d63-8174-4050-bdce-b34e1223743f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_ea2cf498-3c8e-4d7e-8b08-edf5d7478b80" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_60d87522-08ea-481c-a7f3-60c45c6ede66" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_ea2cf498-3c8e-4d7e-8b08-edf5d7478b80" xlink:to="loc_us-gaap_DeferredTaxAssetsGross_60d87522-08ea-481c-a7f3-60c45c6ede66" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_9fa8f627-85b3-4b28-a84c-bc78d03d9842" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_ea2cf498-3c8e-4d7e-8b08-edf5d7478b80" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_9fa8f627-85b3-4b28-a84c-bc78d03d9842" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_8b32d20d-09c2-4376-8a38-0a6b38cf1df6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_52474cb6-57dc-4ed1-b6f0-638a0640a62c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_8b32d20d-09c2-4376-8a38-0a6b38cf1df6" xlink:to="loc_us-gaap_DeferredTaxAssetsNet_52474cb6-57dc-4ed1-b6f0-638a0640a62c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_ff9e2ab4-3d98-41c2-920d-4760908e147a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_8b32d20d-09c2-4376-8a38-0a6b38cf1df6" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilities_ff9e2ab4-3d98-41c2-920d-4760908e147a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_75a59711-1cdd-4cb5-8bd2-6a42e895ecf0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesOther_493c1145-3985-4ae1-a5e6-2b8105d428d1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxLiabilitiesOther"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_75a59711-1cdd-4cb5-8bd2-6a42e895ecf0" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesOther_493c1145-3985-4ae1-a5e6-2b8105d428d1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesPrepaidExpenses_eb9ed553-3d0e-42e9-b116-e227ecffc99f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxLiabilitiesPrepaidExpenses"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_75a59711-1cdd-4cb5-8bd2-6a42e895ecf0" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesPrepaidExpenses_eb9ed553-3d0e-42e9-b116-e227ecffc99f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_9647e8ca-ba35-483e-aa25-cdb62b81bd39" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_75a59711-1cdd-4cb5-8bd2-6a42e895ecf0" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_9647e8ca-ba35-483e-aa25-cdb62b81bd39" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_ef37da9d-c63f-468d-ab1c-bb7290fa4ff6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_75a59711-1cdd-4cb5-8bd2-6a42e895ecf0" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_ef37da9d-c63f-468d-ab1c-bb7290fa4ff6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_appn_DeferredTaxLiabilitiesRightOfUseAssets_7463b49e-4c4c-44cc-90d8-054e2e3e13b8" xlink:href="appn-20241231.xsd#appn_DeferredTaxLiabilitiesRightOfUseAssets"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_75a59711-1cdd-4cb5-8bd2-6a42e895ecf0" xlink:to="loc_appn_DeferredTaxLiabilitiesRightOfUseAssets_7463b49e-4c4c-44cc-90d8-054e2e3e13b8" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.appian.com/role/InvestmentsandFairValueMeasurementsComponentsofInvestmentsDetails" xlink:type="simple" xlink:href="appn-20241231.xsd#InvestmentsandFairValueMeasurementsComponentsofInvestmentsDetails"/>
  <link:calculationLink xlink:role="http://www.appian.com/role/InvestmentsandFairValueMeasurementsComponentsofInvestmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_8c3b1e73-33ad-4197-8dfa-2062101fc047" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashCashEquivalentsAndShortTermInvestments"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_b7930ab3-6c7a-4f09-aad3-b0130a8a9b18" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_8c3b1e73-33ad-4197-8dfa-2062101fc047" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_b7930ab3-6c7a-4f09-aad3-b0130a8a9b18" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_026b0a79-c76c-46f5-8b1b-181182905b70" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_8c3b1e73-33ad-4197-8dfa-2062101fc047" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_026b0a79-c76c-46f5-8b1b-181182905b70" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_d739368c-fd6d-47ef-9c2c-34694bed0e82" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax_fe6fc5ac-15fc-47e8-b0b8-a1ff0885130d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_d739368c-fd6d-47ef-9c2c-34694bed0e82" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax_fe6fc5ac-15fc-47e8-b0b8-a1ff0885130d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_f8155835-838b-4f5f-abf9-db1e5e417d55" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_d739368c-fd6d-47ef-9c2c-34694bed0e82" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_f8155835-838b-4f5f-abf9-db1e5e417d55" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_appn_CashAndCashEquivalentsAndShortTermInvestmentsFairValueDisclosure_f1e9d0de-fd29-4185-9255-50ac7aa8c59e" xlink:href="appn-20241231.xsd#appn_CashAndCashEquivalentsAndShortTermInvestmentsFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_e6bd7f6e-2b4d-4952-b892-fd8cac8cea6a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_appn_CashAndCashEquivalentsAndShortTermInvestmentsFairValueDisclosure_f1e9d0de-fd29-4185-9255-50ac7aa8c59e" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_e6bd7f6e-2b4d-4952-b892-fd8cac8cea6a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_b4c6f826-c2e8-47f3-a024-b3fe6adbc5ca" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_appn_CashAndCashEquivalentsAndShortTermInvestmentsFairValueDisclosure_f1e9d0de-fd29-4185-9255-50ac7aa8c59e" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_b4c6f826-c2e8-47f3-a024-b3fe6adbc5ca" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.appian.com/role/InvestmentsandFairValueMeasurementsComponentsofInvestmentsDetails_1" xlink:type="simple" xlink:href="appn-20241231.xsd#InvestmentsandFairValueMeasurementsComponentsofInvestmentsDetails_1"/>
  <link:calculationLink xlink:role="http://www.appian.com/role/InvestmentsandFairValueMeasurementsComponentsofInvestmentsDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_4c127798-2cb9-4716-ae36-8620bc72c794" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashCashEquivalentsAndShortTermInvestments"/>
    <link:loc xlink:type="locator" xlink:label="loc_appn_CashAndCashEquivalentsAndShortTermInvestmentsFairValueDisclosure_0854cdf5-0b0f-429f-bd3f-a8389f2da072" xlink:href="appn-20241231.xsd#appn_CashAndCashEquivalentsAndShortTermInvestmentsFairValueDisclosure"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_4c127798-2cb9-4716-ae36-8620bc72c794" xlink:to="loc_appn_CashAndCashEquivalentsAndShortTermInvestmentsFairValueDisclosure_0854cdf5-0b0f-429f-bd3f-a8389f2da072" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax_01ae9eb5-ada8-418a-ad42-57fcf8a44544" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_4c127798-2cb9-4716-ae36-8620bc72c794" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax_01ae9eb5-ada8-418a-ad42-57fcf8a44544" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
