Texas Instruments TI-73 Manual Book page 18

Moving the Cursor on a Circular Board
To move from the center to the outer pegs
To move to the center
To move clockwise around the pegs
To move counter-clockwise around the pegs
Redrawing a board
Press . All objects are redrawn.
Note To ensure the fastest speed, Geoboard does not constantly
redraw objects or parts of objects that have been erased
temporarily during an operation (such as transforming or
measuring). When you complete the operation, all objects on the
board are redrawn.
TI-73 Geoboard
Press 
Press 
Press 
Press 
Page 18