Calculation without missing value

Hello!
Please to help me.
I compute calculation function.
How to solve missing value in my calculation function?
eg. 2+3+++
Thanks.

Hi @msodjinou
your description is not perfect but I guess you need coalesce
Here is a sample form:
coalesce.xlsx (6.1 KB)
where the function returns 0 if the first arg is null.

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