.nh .pl 72 .ll 77 .po 11 .lt 67 .rs .sp 3i .cu 2 .ce 2 PLOT .sp A USER'S GUIDE .sp 6 .ti +5 .fi .ad .ll -10 .in +10 This document introduces and describes an automated plotting program available under UNIX for producing high quality graphs on Tektronix terminals and plotters. .br .ll +10 .in -10 .sp 8 .tl '''Richard Grevis' .tl '''January 1979'