The calculator on your Apple devices can do more than add, subtract, multiply and divide. Here's how it can help you with all ...

Learn how to enable the Scientific Calculator and use Math Notes on your iPhone, and breeze through Math equations with ease.

The Rule of 72 is a simple calculation tool for investors to use, but it's not necessarily the most accurate. Here are some ...

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

‘Keep calm and carry cash’: Keep banknotes at home to prepare for crises, researchers say What oil CEOs really think about Trump, tariffs and uncertainty: ‘Those who can are running for the exits’ A ...

Researchers from Drexel University’s School of Education will join peers from Ursinus College and the 21st Century ...

We've wondered for centuries whether knowledge is latent and innate or learned and grasped through experience, and a new ...

Disposable batteries seem so 1990s. Sure, it’s nice to be able to spend a couple of bucks at the drugstore and get a flashlight or TV remote back in the game, but when the device is a daily ...