.TH RPN 1
.SH NAME
rpn \- Reverse Polish Notation calculator
.SH SYNOPSIS
.B rpn
.IR commands ...
.SH DESCRIPTION
.B rpn is a full-featured math-oriented structured language inspired by Hewlett-Packard Reverse Polish Lisp

Please visit https://github.com/louisrubet/rpn for source code, a manual and generation instructions