L
L'oiseau
I'm trying to create a lookup that will verify my Sudoku. Essentially, I
want to check the column, row and 9 square range to see if there a number is
already being used. I was thinking nested IFs, but that's either wrong, or
I'm not exactly sure how to make it work.
Any suggestions?
want to check the column, row and 9 square range to see if there a number is
already being used. I was thinking nested IFs, but that's either wrong, or
I'm not exactly sure how to make it work.
Any suggestions?