Although calculators have not figured prominently in discussions of the common-core math standards, it’s likely the complementary tests will result in far greater uniformity in their use on state ...

Are you eager to know how many days are left to attend your favorite concert? Do you want to know how many days have been passed since your last birthday? If so, then the built-in Windows Calculator ...

For years, the Messages app on your iPhone has had a built-in calculator feature that allows you to solve math problems ...

Why no iPad calculator app? Steve Jobs nixed the calculator from Apple’s original tablet because it was lame — nothing more than the iPhone app awkwardly blown up to iPad size. But that was more than ...