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GRPN(1) GTK+ Reverse Polish Notation Calculator GRPN(1)


grpn - GTK+ reverse polish notation calculator


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


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.


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.


GRPN was written by Paul Wilkins <>.
April 2002 GRPN