Anyone who’s taken classes in geometry, algebra, trigonometry or other advanced math forms has certainly encountered the graphing calculator before. These multi-function devices make incredibly ...

It was the fall of 1965 and Jack Kilby and Patrick Haggerty of Texas Instruments sat on a flight as Haggerty explained his idea for a calculator that could fit in the palm of a hand. This was a huge ...

Believe it or not, Apple still does not support the iPad with its basic Calculator app. And as much as nerds love their calculator watches, there’s no support for Apple Watch, either. If you want ...