RPN plus PRO FREE

** 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