Turn Your iPhone 17 Action Button Into a Calculator Shortcut

Need to calculate something fast without hunting for the Calculator app? On the iPhone 17, the Action Button can open Calculator instantly with a single press. In this video, you’ll learn how to assign Calculator to the Action Button in iOS 26, where to find the Controls menu, and how to switch the button to a different shortcut anytime. It’s a simple setup that saves time when you need quick calculations on the go.