XYplotm line parameters

• Finding slope, y-intercept and other line-parameters from line drawn on plot.

  1. press down button-3 (or control-button-1) at the first corner of a line-segment.
  2. hold down the button and move to the opposite corner of the line-segment.
  3. release button-3 (or control-button-1). A line-parameter report is printed out to standard output. The report gives the line-parameters of the defined line segment: slope, y-intercept, x-intercept and other parameters. For a single press and release, only x and y are reported.