"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If you or your kids are preparing for an advanced math or science course, you’re going to need a graphing ...

It laughs at splashes, dust and shocks. It eats military-spec drop tests for breakfast. It’s ideal for math in the great outdoors. Meet Casio’s new ruggedized scientific calculator, the fx-FD10 Pro.

Why it matters: Casio has introduced a modern version of its iconic calculator watch, itself based on the Casio Mini personal calculator first released in the early 70s. The new creation is a blast ...

You’d assume that calculators would have been one of the many technological casualties of the smartphone, joining MP3 players and point-and-shoot cameras as standalone devices no one really uses any ...