How-To Geek on MSN
Don't trust Excel's COUNTA function to count non-blank cells—here's a better method
In most counting scenarios in Excel, COUNTBLANK reliably counts blank cells, and COUNTA reliably counts populated cells.
How-To Geek on MSN
The hidden costs of whole-column references in Excel: Learn 3 alternatives to optimize your workbook's performance
Whole-column references in Excel are silent performance killers, often forcing the program to manage a range of over a ...
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