Convert metric and imperial units. Looks, moves and operates just like having a real calculator in your hand. Easily convert between popular metric and imperial units. Rotate 360, turn, scale and move in 3D 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 life-sized on a pad.

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