We’re suckers for good-looking old-school calculators, so this interesting numerical equation-solving calculator by [Peter Balch] caught our attention. Based around the ESP32-WROOM-32 module and an ...

Ooops! Two months ago, I started exploring how you can write a simple but quite helpful interactive command-line calculator as a shell script and ended the column ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Have you ever tried typing a complex ...

The MOD function in Microsoft Excel lets you work out whether one number is divisible by another. If it's not, it tells you what's left over. For example, if you divide 3 by 2, the MOD function will ...

The humble Texas Instruments graphing pocket calculator has seen its fair share of mods over the years, thanks in part to an oddly active development community of procrastinators desperate to get out ...