Do the Math: 8 Hidden Features in Apple's Calculator App (Now on iPad, Finally) Apple's Calculator app does more than help you calculate tips. With the latest OSes, it launches on iPad and lets you ...

When I need a quick calculation, I fire up the Mac calculator, get it done, and don’t think about it much. But for complex calculations such as currency conversations or splitting bills, I reach for a ...

You can do fractions on your iPhone calculator using two different methods. When you turn your iPhone calculator sideways — switching it to a scientific-calculator layout — you'll be able to use more ...