Calculator 2i for iOS

Give a try to this new simple and fully customizable calculator.With its two screens, 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.Swipe on the screen to copy / paste.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 graphicsDon't hesitate to try it, its free or take the full version with a bigger screen.