Describes the cause and action for error messages.
Error Message(English)：
if formula does not recognize text
Excel IF function - syntax ...
https://www.ablebits.com/office-addins-blog/2014/11/26/if-function-excel/#if-function-syntax
Using the IF function in ...
https://www.ablebits.com/office-addins-blog/2014/11/26/if-function-excel/#if-formula-examples
How to use the IF function ...
https://www.ablebits.com/office-addins-blog/2014/11/26/if-function-excel/#if-function-text-examples
Excel formulas are not working - not recognizing numbers - Stack ...
https://stackoverflow.com/questions/27563883/excel-formulas-are-not-working-not-recognizing-numbers
Sum function not working on cells with formulas
https://stackoverflow.com/questions/12389825/sum-function-not-working-on-cells-with-formulas
Count only fields with text/data, not formulas
https://stackoverflow.com/questions/15077217/count-only-fields-with-text-data-not-formulas
Excel TEXT formula doesn't convert 'yyyy' to a year
https://stackoverflow.com/questions/27306317/excel-text-formula-doesnt-convert-yyyy-to-a-year
Excel Tip of the Week #53 - Causes of formulas not calculating - Blogs ...
https://ion.icaew.com/itcounts/b/weblog/posts/exceltipoftheweek53causesofformulasnotcalculating
Excel formula showing as text? 3 things you should check to fix the ...
https://chandoo.org/wp/excel-formulas-are-not-working/