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.

BLYTHEWOOD, S.C. — Math, for some, is hard to understand. Fractions, formulas, and functions can be confusing, but 7th grade math teacher Crystal Munson knows how to make learning fun. "We've done ...

Excel has over 475 formulas in its Functions Library, from simple mathematics to very complex statistical, logical, and engineering tasks such as IF statements (one of our perennial favorite stories); ...