** The most useful scientific RPN calculator for your mobile phone - now for FREE! **
RPNplus tries to optmize readability, handling and intuitivity for basic mathematical needs.
It does not contain any ads or in-app-purchases and does not require any permissions (except for vibration control).
Some special features of RPNplus are:
* Big keys and display
* Optional …
... display (modern/usual)
… keyboard color (RGB)
… decimal/thsd separator
… sleep time
… key-vibration-time
* Present value (financial)
* Gaussian distribution
* Copy to clipboard
9Apps 4.9
