I have a table with a group of fields representing the result of a list of audit questions, with the answers stored as numbers 1,2 or 3 for yes, no, n/a. On a tip from this site I'm using a sum function as follows:
=Sum(IIf(1 In ([Rx1],[Rx2],[Rx3],[Rx4],[Rx4a],[Rx4b],[Rx4c],[Prac_notes1]...