When was the last time you saw an About screen with its own settings? PCalc’s does, and with it, you can switch to a 3D rendering of a working PCalc calculator instead of the app’s icon and adjust ...

1. Open your Calculator app. 2. Tap the calculator symbol in the bottom left corner of your screen next to the 0 digit. 3. Tap the switch next to Convert. The input area for your Calculator -- the ...