RPN iX+ app for iPhone and iPad

The best RPN complex number calculator on the App Store.

RPN iX+ is a simple, yet powerful RPN calculator with an infinite, scrollable and selectable stack and native support for complex numbers.

The elegant and intuitive design, with tab-based user interface, puts all the functions right at your fingertips. And despite the small <1MB download it is packed with features:

***Unit Conversion directly from the Stack

***Fully customisable constant library (simply add or remove constants to customise to your needs)

***Infinite memory with quick access buttons

***Infinite, scrollable and selectable stack (simply click on an entry to duplicate, or click-and-hold to delete)

***Tab-based interface with colour-coded functions

***Simple-View option with large buttons for easy user input

***Native support for complex numbers (both Polar and Cartesian input/output)

***Multiple undo

***Intelligent decimal precision handling

***Engineering mode

***Power and Trig functions (both real and complex) with both degrees and radians for input/output

***Powerful statistic functions performed directly from the stack (sum, count, mean, median, mode, standard deviation)

***Probability (permutations P(n,k) and combinations C(n,k))

***And more


For additional support or to contact the developer please visit:

http://cosimappy.weebly.com/rpn-ix.html