This app was removed from the App Store.
Graphic RPN Calculator
iOS Universal Education
Easy to use RPN calculator, now with graphical function support!
Standard RPN calculator that support stacked entry of operands and operations.
For example, for calculation of cos(x)+sin(x^2), you need to press "x","cos","x","^2","sin","+",
This small app will help you understand how to use RPN calculator and facilitate the presentation of graphic functions.