3D Conversion Calculator (com.voidware.retrofree) on Google Play
Best looking mobile calculator and it's free! The only calculator in real 3D.3D Conversion Calculator is a highly detailed, 70's retro design and works like a real calculator with moving switches, keys and sound.* Rotate 360, turn, scale and move in with your fingers.* Buttons physically press with sound.* Move the mode switch with your finger.* Even the on/off button works!* Screen tap resets position ready for operation.* Tilt affects light reflections.* Looks awesome on a pad.