Plotting lines
Proceed as in the above paragraph, but select Line (instead of Isolated point) from the mark-type pop-up menu, then select the icon. Of course, you can
choose another icon or no icon at all (first box in upper left-hand corner). You
can modify line thickness using the corresponding pop-up menu which is now
available in the lower part of the Tools palette.
The selection boxes are then as follows:
Using the Plotting tool
, click the points on the chart which will constitute the required line on
the chart. To finish this operation, double click the last point.
Plot other lines as required.