---
name: "grpn"
section: "1"
platform: "linux"
package: "grpn"
version: "1.4.1-1.1"
release: "Debian 12 (Bookworm)"
platforms: ["linux"]
url: "https://new.carta.tech/grpn"
---

# grpn(1)

GTK+ reverse polish notation calculator

## NAME

grpn - GTK+ reverse polish notation calculator

## SYNOPSIS

**grpn** **\[-fn *font*\] \[-btn-fn *font*\] \[-disp-fn *font*\]** **\[-rows *n*\] \[-cols *n*\] \[-b\]** **\[-bm *dec*\|*eng*\|*bin*\|*oct*\|*hex*\]**\

## DESCRIPTION

GRPN is a RPN calculator for the X Window system built using the GIMP Toolkit (GTK+). GRPN works with real numbers, complex numbers, matrices, and complex matrices. Numbers can be displayed in 4 different radix modes, and complex numbers can be displayed in either Cartesian or polar form.

**grpn** is a GTK+ reverse polish notation calculator.

## OPTIONS

- **-b**

  Don't draw the buttons.

- **-bm *basemode***

  Start in basemode: *dec*, *eng*, *bin*,  *oct*, or *hex*.

- **-rows *n***

  Display (a minimum of) n rows.

- **-cols *n***

  Display (a minimum of) n columns.

- **-btn-fn *font***

  Use font for the buttons and menu bar.

- **-disp-fn *font***

  Use font for the main display.

- **-fn *font***

  Specifies both -btn-fn and -disp-fn.

## AUTHOR

*GRPN was written by Paul Wilkins \<paul.wilkins@analog.com\>.*