Messages can solve simple math equations like "2+2=" by typing them into the text field. The app can also solve equations ...

There are two basic ways to do fractions on your iPhone calculator. Here's what you need to know to use the built-in app.

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Haley Jo Lewis Haley Jo Lewis was a newsletters editor. She has contributed to ...

Solar-powered calculators may have familiarized a new generation with green energy. On the other hand, maybe they were just cool.

This early retirement hack lets you tap your retirement savings without tax penalties. But you must plan well.

You can calculate your total cholesterol — including LDL, HDL, and triglycerides — with a blood test, so your doctor can ...

From food myths to outdated lessons, many facts boomers learned in school have been debunked. Discover which classroom ...

Whether you’re preparing for school exams, competitive tests, or just brushing up your basics, these seven smart geometry ...

Eric Gilbertson, a professor and mountaineer, carried highly-accurate GPS devices to the top of Crestone and East Crestone ...

A surveyor says he has discovered a new Colorado 14er after hauling GPS equipment to the top two peaks in the Sangre de ...

It may not surprise you when you read that coffee chains have been sued for one reason or another. Big Lots, though, got in some trouble with its coffee, too.