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 ...

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 ...

Gemini’s response included a brief description of the “6371” number, which is the Earth’s radius in kilometers. For miles, I ...

A client needs to keep track of frequently changing commodity prices and capture the most current figure and eventually copy it into a formula that calculates its resell price. I’m sure Excel can ...

Computer spreadsheet programs have been around since 1979, when Dan Bricklin and Bob Frankston created VisiCalc. The breakthrough program turned the Apple II into an electronic ledger, allowing users ...

To help readers follow the instructions in this article, we use two different typefaces. Boldface type is used to identify the names of icons, agendas and URLs. Sans serif type indicates commands and ...