Use the number keys to show a shape: Press 0 to clear. Press 1 for a square. Press 2 for a rectangle. Press 3 for a triangle. Press 4 for a right triangle. Press 5 for a trapezoid. Press 6 for a wide trapezoid. Press 7 for a right trapezoid. Press 8 for a parallelogram. Press 9 for a line with endpoints.
None, Nope, Nada, Zero, Zilch, Nothing, Can't, Everything's Opposite. Actually, maybe Scratch.
