RPN Calculator 48

RPN Calculator 48 is a polished RPN replacement for Apple's built-in calculator:


- Starts quickly
- Large buttons
- Easy-to-read display
- Same scientific functionality as Apple's calculator
- 100 entry stack (4 to 7 visible)
- 6 memory buttons (A-F)
- 50+ levels of undo/redo
- Saves state on exit

** Use swipe gestures to undo/redo operations!! **


The ergonomics (screen and keyboard layout) of RPN Calc. 48 were inspired by HP's outstanding 48-series calculator.

RPN Calc. 48 is made by the developer of tChess (the critically acclaimed iPhone chess game) and Learn Chess (the Apple Staff Favorite e-book).