I have the following formula in my spreadsheet, and it seems to be slowing the spreadsheet considerably:
=SUMPRODUCT(SUBTOTAL(3,OFFSET(I$94:I$551,ROW(I$94:I$551)
-MIN(ROW(I$94:I$551)),,1))*(I$94:I$551=$A30))
Here is what I am trying to do:
I have several columns of numbers. I want to count...