Calculator π

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.