BigCalc HD for iPad

BigCalc HD turns your iPad into a *giant* calculator.

Featuring:
☆ Beautiful and polished UI
☆ High visibility and contrast
☆ Suitable for presentations and teaching

☆ Support for all interface orientations
☆ Accurate calculation of very large numbers
☆ Square root
☆ Reciprocal
☆ Percentage
☆ Exponentiation
☆ Backspace
☆ Pleasant sound effects

Wastes no screen real estate. Loads fast. Just works.