CalculatorBox HD (Standard+Scientific+Statistics+Programmer)

Four orientations of screen, Four Calculators!

An ultimate and polished design All-In-One calculator for iPad. Absolutely different from other calculators you see in App Store.

Yes, its an All IN ONE calculator. Just rotate your device and you will get four calculators:
- Standard
- Scientific
- Programmer
- Statistics

Other features:
- keyboard sound & mute option.
- copy & paste function.
- Save status on exit.
- Big buttons, easy to use.
- Backspace by swiping over the display.