The Rechner Calculator is a $0.99 iOS app that replaces several of the normal calculator buttons with simple swipe gestures. Skip to main content. The homepage. The Verge logo.

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 ...

We’ve collaborated with FiveThirtyEight to publish this follow-up article about the calculator updates. (It appears on both sites.) To check out the updated calculator, head over to FiveThirtyEight.

One user highlighted the importance of this knowledge in the 'You Should Know' forum, commenting: "These buttons actually do different things and it can help you use a calculator more effectively." ...