Formulas are powerful tools for performing calculations and analyzing data in Excel. In this beginner’s guide, you’ll learn how to use formulas and explore some popular built-in functions. One of the ...
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 ...
In the late 19th century, Karl Weierstrass invented a fractal-like function that was decried as nothing less than a “deplorable evil.” In time, it would transform the foundations of mathematics.
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