scientific calculator

A calculator for all purposes. Now try calculation with scientific calculator on your android devices. Works on three different modes - Float, Fixed and Scientific and calculate almost all scientific and non scientific calculations in a fly.
Features:-
* Arithmetic functions.
* Trigonometric functions
* Log functions.
* 9 custom Memories to save values.
* Clipboard support to copy and paste values from the display.
* Scrollable display to see large values (for small screen phones).
* Unlimited history of previous calculations.
* Permutation and combinations.
* Built in large number of physical constants with ready to use values.
* Customizable number of maximum Digits.
* Haptic feedback to feel like pressing real keys.
* Solve multiple calculations at once.