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 ...

In iOS 18, Apple has added a powerful new feature to your iPhone's Calculator app: Math Notes. This integration between Calculator and Notes offers a versatile tool for all your calculation needs.

Messages can solve simple math equations like "2+2=" by typing them into the text field. The app can also solve equations that use more complex formulas, such as the trigonometric functions of sine, ...