Calculator π app for iPhone and iPad

NOW FREE!!
!GRATIS!

This app features everything you need in a standard and scientific calculator. Intelligent with an intuitive and usable interface. Works on iPhones and iPads.

FEATURES:
- Big buttons
- Scientific calculator ( 39 operators, 0-9 keypad )
- Switchable keypad ( Standard and scientific )
- History
- Degree and radian mode.
- Copy and paste.
- Details page for writing notes and title.
- Memory storage. ( "ANS button" )
- Works like real scientific calculator.
- Expressions, e.g " sin(5+9(23))" with built-in math intelligences.
- Uses swipe gesture to change shift.
- You can easily email your calculations!

Designed and developed with creative gradient tile design and implemented with an intelligent math parser. From "1+2", you can go further to a more complicated expression like "1+2(3*4(5+6))" with CALC.PI. You can also view your previous calculations in the history. Write notes, copy and paste expressions / answers / notes and send via e-mail.