If you’ve ever traveled abroad to a place where the local currency is much different in value from the U.S. dollar, you’ve probably found yourself scrambling to calculate the differences in price when ...

What’s great about this feature is it doesn’t require the need to download a third-party app, and you can use it even when ...

If a little avatar of [me] opens and sounds like me, that could be another way of connecting with students,” one Pennsylvania ...

NPR's Ailsa Chang speaks to mathematician Eugenia Cheng about the Pascaline -- a 17th-century invention credited as the first mechanical calculator.