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Don't trust Excel's COUNTA function to count non-blank cells—here's a better method
Counting non-empty cellsThe COUNTBLANK-COUNTA conflict (and how to fix it)Summary: Choosing the right counting functionIn ...
It's marginally more efficient: While the difference is negligible, the double-unary operator can be more efficient in extremely large workbooks. When you use *1 or +0, Excel must process this as a ...
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