Over the course of the 1970s, handheld electronic calculators transformed the way tens of millions of people did arithmetic. Engineers abandoned slide rules, business people gave up desktop ...

On the surface, the default iOS Calculator app seems very simple. But, there are a few tricks up the Calculator app's sleeve. The Calculator app is one of the most basic default apps available on the ...

The Hechinger Report covers one topic: education. Sign up for our newsletters to have stories delivered to your inbox. Consider becoming a member to support our nonprofit journalism. Although ...