PLOT is an operation for plotting various graphs. PLOT has several forms: G = General information on different plotting devices 1 = Bar charts (horizontal/vertical, pie charts, matrix diagrams) 2 = Scatter diagrams (correlation diagrams, box plots) 3 = Time series plots and line graphs 4 = Probability plots (normal distribution) 5 = Curves 6 = Histograms 7 = Frames, texts and lines 8 = Contour plots 9 = Matrix plots T = Texts in Survo graphics M = Representation of multivariate data C = Sucros for composite plots D = More information on data analysis E = More information on the Survo Editor