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.

Calculators were designed to simplify the process of solving mathematical problems, regardless of their complexity. However, it turns out that even the most basic buttons on these widely-used gadgets ...

Listen to more stories on the Noa app. I worry that the calculator we’ve known and loved is not long for this Earth. This month, when I upgraded my iPhone to the latest operating system, iOS 18, it ...