The Calculator app on your iPhone (and iPad) is capable of a host of numeric maneuvers. Beyond performing basic and complex ...

Blaise Pascal is known for a number of things, but we remember him best for the Pascaline, an early mechanical calculator. [Chris Staecker] got a chance to take a close look at one, which is quite ...

Use this calculator to see how your money's value changed over time — and how much it could change in the future. Many, or all, of the products featured on this page are from our advertising partners ...

Unlike refusing a straw at a restaurant, it’s difficult to cut down on plastic while strapped unconscious to an operating table. Single-use plastic is facing more scrutiny than it ever has, and the ...