When it comes to simple math, you can always use your smartphone ... about the physical buttons and single-function design of a calculator that still makes it a useful item to keep in your ...

The early days of modern computing were downright weird, and the HP 9830B is a strange one indeed: it’s a gigantic calculator, running BASIC, on a CPU implemented over a dozen cards using ...

Calculator apps and handheld calculators are clunky, but Python's interactive mode easily recalls previous results for ...

Microsoft Excel is a powerful spreadsheet program that can be used for a variety of tasks, including basic math. Here's how ...