RPN is a programmable, postfix scientific calculator for the PalmOS: Programmable functions.
- Graphing - Solving.
- Macro recording.
- Many add-on scripts available.
- Drag and drop interface.
- 40 element wrap around stack.
- 10 user variables.
- Scientific functions.
- Base conversion.
- Number formatting.
- Graffiti or button based input.
- Copy/Paste.
- 18 digits of precision.
- Exponents up to +/-64000.
- Scientific, engineering, or fixed display.
- Programmable interface.




