All, After some of my students installed: http://downloads.sourceforge.net/octave/octave-3.1.50-setup.exe? modtime=1216584334&big_mirror=0 They made a plot: x=linspace(-5,5); y=x.^2; plot(x,y) Then tried to print with the command: print No success. What can they do to make this work on Windows? D.