Press "u" to put the pen up. Press "d" to put the pen down to be able to draw.. "e" to erase. "s" to show the arrow. "h" to hide the arrow. "1" is a square. "2" is a hexagon. "3' is a decagon. "4" is a triangle. "5" is a pentagon. "6" is a octagon. Enjoy!
Thanks to Mr. Scott for the code.
