How-To Geek on MSN

Document formulas in Excel like code with N() function

The simplest way to start documenting Excel formulas like a coder is by using the N () function. Although its primary job is to convert non-numeric values into numbers, it has a hidden quirk: because ...
How-To Geek on MSN

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 most counting scenarios in Excel, COUNTBLANK reliably counts blank cells, and ...