Adds lines to plot. TYPE is normal or dashed. If DRAW is true the new lines are added to the screen. Adds points to plot. If DRAW is true the new points are added to the screen.
Sets ranges to the actual range of variables in the original coordinate system.
Applies matrix A to current transformation. Clears the plot data. Removes all lines from the plot. Removes all points from the plot. Removes all strings from the plot.