In my day, we plotted quadratic equations in monochrome; who needs colors?

Anyone who's been through a high-school algebra class surely remembers using a TI graphing calculator. But who had a calculator like this one? Apple started the trend with the rose gold iPhone, and ...

Color screens are an advancement that most graphing calculators have, inexplicably, forgone for ages. But finally, Texas Instruments is moving one of its old battleaxes to Technicolor: the company is ...