Master Your Calculator App With This Secret Gesture [iOS Tip]
![Master Your Calculator App With This Secret Gesture [iOS Tip]](http://cdn.cultofmac.com/wp-content/plugins/lazy-load/images/1x1.trans.gif)
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Did you know that the Calculator app built into iOS has a hidden swipe gesture that allows you to delete those digits that you tap accidentally? No, neither did I until this morning, when I discovered this nifty little backspace trick by accident.
