1. Describe Octplot functions - introduction
1.1 Function for operations with figure
1.2 Basic graphs I - plot
1.3 Basic graphs II - area, line, stem
1.4 Basic graphs III - bar, barh
1.5 Contour plot
1.6 Patch and surface graphs
1.7 Pseudo-picture - function pcolor
1.8 Function specgram
1.9 Save figure to a file - function print
1.10 Addition in graphs - functions colorbar, grid, title
1.11 More than 1 graph in one figure - function subplot
1.12 Set and get

2. New function for Octplot
2.1 Square, rectangle, triangle
2.2 Tetragon, n-square, circle
2.3 Ellipse, hyperbola, parabola
2.4 Involute, cycloid, epicycloid
2.5 More function at once

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