To use Calculator to convert units in Windows 11, you can follow the guide mentioned above. However, you must have the latest version of the Calculator app, which includes all the above options.

Here's how you can start using Math Notes in the Calculator app in iOS 18: Open the Calculator app on your iPhone. Tap the calculator symbol at the bottom left of the screen.

How to Use the Secret Notes App Built Into Your iPhone's Calculator Work out equations and draw graphs with this useful new tool.