A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
suggested by Andreas, still give "0th" for the non-qualifiers
It seems that I misunderstood something, what does "non-qualifiers" mean? (I'm from Germany, so some expressions are hard to understand.)
Resp. what results do you want to have of the numbers from 0 to 20? Show it to me, then maybe I can give you a formula.
Andreas.