(V = pen down) (B = pen up) (D = change pen color by 10) (F= change pen color by -10) (H = change pen size by 1) (J = change pen size by -1) (C = Erase All) (N = Erase) (K = Change Eraser Size by 1) (L = Change Eraser Size by -1) (X = Hide info) (Z = Show info)