Problems with summation and missing or non acceptable values

[Kal_Lam]

@alinephilibert, you could do it as outlined in the image shared below:

In the survey tab of your xlsform:

In the choices tab of your xlsform:

Data entry screen as seen in Enketo:

Reference xlsform:

Aline_issues.xlsx (11.5 KB)

Note: You could use the read_only to block the changes of the result or also use the note question type to display the answer/calculation in a separate response.