Hidden Feature

[Kal_Lam]

@TareqTK, here is a workaround discussed previously. The calculation only gets displayed in the note question. But this could be helpful for you to understand.

Question about the max function and missing value

You could do it as outlined in the image shared below. In the survey tab of your xlsform: [Image 1] Data entry screen as seen in Enketo: when all the variables are filled [Image 2] Data entry screen as seen in Enketo: when some of the variables are missing [Image 3] Reference xlsform: Maximum.xlsx (9.7 KB)