Aussie,

i very familiar liar with the way to use the CF "Manage Rules" and can do some programming. As a matter if fact I have my entire sheets CF rules in an excel file I can't seem to figure out "how it knows specifically which numbers to remove when a E O U D is palaces in a cell)". if it's in my rules I'm missing it big time If you can explain the trail for just 1 cell I can do the rest. I "want" to do the rest.

What I see in the rules is only fir example: the letter E is placed in I:19 and "some" numbers are removed in AI2:AI56. What are the "some" numbers (which numbers) and what "other" formulas determine the "some" numbers

Again, in, thank you for your expertise and valuable time