Place text on a 2-D graph using a mouse.
GTEXT('string') displays the graph window, puts up a
cross-hair, and waits for a mouse button or keyboard key to be
pressed. The cross-hair can be positioned with the mouse (or
with the arrow keys on some computers). Pressing a mouse button
or any key writes the text string onto the graph at the selected
See also TEXT1FO9SU2, GINPUT .