Calculator 2i Pro for iOS

A new simple and fully customizable calculator.You can see what you are calculating. If you type the wrong number, you will see it !Main functions:- Standard portrait mode and scientific landscape mode.- 14 trigonometric functions- Logarithmic functions- Square root, exponent, percentage,- Parenthesis management- Error warning system- 4 result display modes : standard, decimal, engineer, scientificYou can choose your font, the size of the characters and the number of decimals in the result.Choose your welcome message.Copy what you calculate and paste it where you want by touching the screen.You can choose the background (16 choices) and its darkness.You can add/remove sound for the keyboard.- Works on iPhone, iPhone 5, iPad and iPad mini.- IOS 6 support- Retina HD graphicsIf you want to test it, give a try to the free version