Checking for Consistency between two Summation

[Kal_Lam]

@Sham_me, use the coalesce as outlined in this post discussed previously and that should solve your issue:

Calculating the sum

You could do the same as outlined in the image shared below: In the survey tab of your xlsform: [Image 1] Data entry screen as seen in Enketo: [Image 2] Reference xlsform: Sum.xlsx (8.9 KB)