FREE for your iPhone/iPad, MyScript Calculator is an amazing app. It performs mathematical operations using your handwriting! The app is simple to use and intuitive. Just write the mathematical equation on the screen. MyScript technology converts the symbols and numbers to digital text and delivers the answers. It supports the following operations: basic operations (+, -, x, ÷, +/‒, 1/x), additional operations ( %, √, x!, |x|), powers/exponentials (ℯx, xy , x2), trigonometry, and more. Very cool!!