iCalculate is useful and great functional calculator application. With iCalculate your everyday calculations will be easy and fast.
Main functionality:
1) Writing and editing your math equation.
2) Two different mods for more comfortable work.
3) Major set of math functions.
4) Save constants and restore them from list.
5) Autosaving history of your calculations.
Do not forget to check your version for iPad - iCalculateHD.