In 1642, a teenage French scholar named Blaise Pascal invented what many regard as the world’s first mechanical calculator: the Pascaline. Almost four centuries later, one of these famous instruments ...

Calculators have evolved over centuries from large computing machines into today’s highly functional, pocket-sized devices capable of performing complex computations, graphing multiple lines at once ...

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 ...