Excel gives the answer 10. If you have a mathematical background, you’ll know why Excel gives a different answer to such a simple calculation — and why, technically, Excel is right. If you don’t have ...

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 ...

Prevent broken formulas using tables, validation rules, separate worksheets, named variables, and the power of LAMBDA.

Google’s generative AI tool can quickly surface trends in your data, generate charts and formulas, clean up your data, and ...

Spreadsheet applications helped to kick off the personal computer boom in the 1980s and are effective tools in most businesses today. Sometimes a spreadsheet gets complicated, with many formulas and ...

I learned, belatedly, that last October 17 was Spreadsheet Day, marking the 35th anniversary of VisiCalc, the Apple II program that started it all. This moved me to republish a long piece I wrote 30 ...