Colour PostScript generator Values from either of the first two columns can be used. The Primer examples are held online on Ermine. The PRIM15 example draw a histogram. The above command reports that prim15.c and prim15.f are available together with a data file prim15.dat. If you want the Fortran version, call example simplot prim15.f prim15.dat to copy the program and its example data file to files of the same name in the current directory.
Help is available at that point.
If you do call the routine, its argument may be chosen from either of the first two columns of the above table. Under normal circumstances it doesn't matter which you choose. There is a choice of OUCS laserprinters , including a colour one. Simpleplot Metafile output is written to a file meta.d01 in the current directory. PostScript or CGM output is recommended rather than Metafile.