Learn how to enable the Scientific Calculator and use Math Notes on your iPhone, and breeze through Math equations with ease.

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.

Prior to iOS 18, if you wanted to figure out how to split a bill with your texting group from afar, you'd have to use your calculator app or Spotlight and then switch back to Messages. With iOS 18 you ...