A handy and free utility called MyScript Calculator makes it easy. The app available on both Android and iOS [iPhone & iPad], recognizes user handwritten math formulas and provides the result. Users can use finger or stylus to input as if writing on a notebook.
The app recognizes expressions:
- Basic operations: +, -, x, ÷, +/?, 1/x
- Misc. Operations: %, ?, x!, |x|
- Powers/Exponentials: ?x, xy , x2
- Brackets: ( )
- Trigonometry: cos, sin, tan
- Inverse trigonometry: acos, asin, atan
- Logarithms: ln , log
- Constants: ?, ?.