Describes the cause and action for error messages.
Error Message(English)：
vba udf not calculating
How to Force a Function (UDF) Update in MS Excel VBA
https://stackoverflow.com/questions/48234548/how-to-force-a-function-udf-update-in-ms-excel-vba
Excel VBA: User defined function based on checkbox input ...
https://stackoverflow.com/questions/30479196/excel-vba-user-defined-function-based-on-checkbox-input・・・
User Defined Functions NOT recalculating
https://stackoverflow.com/questions/5719650/user-defined-functions-not-recalculating
Volatile User-Defined Function not recalculating as expected ...
https://stackoverflow.com/questions/39668759/volatile-user-defined-function-not-recalculating-as-exp・・・
microsoft excel - Custom Formula Not Updating - Super User
https://superuser.com/questions/1261444/custom-formula-not-updating
worksheet function - Formula's Not Updating Excel
https://superuser.com/questions/1287737/formulas-not-updating-excel
How can I force Excel to recalculate after a UDF ...
https://superuser.com/questions/709808/how-can-i-force-excel-to-recalculate-after-a-udf-macro-error
Excel VBA Volatile Functions - Easy Excel Macros
https://www.excel-easy.com/vba/examples/volatile-functions.html
Excel Recalculation | Microsoft Docs
https://docs.microsoft.com/en-us/office/client-developer/excel/excel-recalculation