Forum Discussion
How to find a specific number from 2 columns
Source number Wanted outcome Question: a 1 Number is only from source a I like to know from what source is the number coming from? a 1 Number is from source a and b Is it alone from...
Why does 1 come only from source a and also from source a and b?
it's a simplifiction of the real problem. 1 can come from both sources.