> Van: Patai Gergely <patai.ti@freemail.hu> > > > Just curious, What is RPN Mode? > > > Do a google search on "Reverse Polish Notation", and you'll > see. The Z88DK has a little demo program that does + - / * 16bit calculations in RPN notation. I'm not entierly sure, but I think I uploaded it to ticalc.org, something like "z88dk programs". Henk Poley <><