A 20-year-old college student has rebuilt Portal, Valve's 2007 space-bending game, from the ground up, on—wait for it—a graphing calculator. In a display that puts the old calculator versions of Mario ...

Ask any professor, and they’ll probably tell you graphing calculators offer a plethora of mathematical uses, like plotting graphs, inputting trigonometric functions — you know, typical academic stuff.

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 ...

Many tech companies keep customers buying by constantly updating their products with new features. Here's a story of a piece of technology that has not evolved with the times and has been reaping the ...

Corrected: An earlier version of this article included inaccurate phrasing regarding the findings from the National Assessment of Educational Progress. Data extracted from NAEP show the percentage of ...