Until today, the iPhone’s calculator mimicked the buttons of its forebears: If you keyed in 48.375, for instance, instead of 43.875, tapping “C” within your app would zero out your entry so ...

Illustrating how this can be utilised, they penned: "For instance, if you type 1, +, 3 and then press the clear entry button, the calculator will erase the 3 but retain the 1 +.

The Rechner Calculator is a $0.99 iOS app that replaces several of the normal calculator buttons with simple swipe gestures.

This image shows a new backspace button on the iPhone Calculator app in iOS 18 Credit: Apple. Soon, Apple will release the iOS 18 update – likely in September.

Now, instead of simply coming up with the answer, Google presents you with a full, 34-button scientific calculator. Sine, cosines, tangents; all of that good stuff is in there.

Google search has long featured a built-in calculator function but a recent update added a fully functional 34-button scientific calculator. Previously, when a user entered, say, 2+2, ...

The GUI is beautifully designed, using the iPhone's menus and swipe gestures to improve on the conventional calculator. There are 15 user-definable favorite-function buttons/memories, and access to ...