Best calculator for your iPad & iPhone!
Features:
* Big button layout
* Backspace key
* View and edit a history of your calculations
* Basic Calculations (+, -, ×, ÷, %, 1/x, ^, Abs)
* Button sound is mutable
* Retina display (new iPad & iPhone4, 4S, 5)
* Use both calculators in portrait or landscape mode，but iPhone not
Download now and see how truly great this calculator is.