Download "user manual"

3) X and y values appear in the readout area.
4) The cursor can be moved by (a) dragging the slide control right or left, (b) clicking on
one side or the other of the slide control, (c) using arrow keys on your keyboard
(particularly convenient when examining yphasen), or (d) dragging the cursor directly
to the desired point. Note that the cursor can be moved to another wave.
5) If the cursor is no longer necessary, you can remove it from the graph by dragging it
away from the plotting area.
6) Select the 'Hide Info' item from the "Graph' menu. The alternative to this operation is
to press Command-I.
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