------------------------------------- Keyboard Shortcuts: ------------------------------------- This help: Key h ------------------------------------- [Play|Stop] animation: Space Draw chessboard: Num 1 Draw prime numbers: Num 2 Random colors: Num 3 ------------------------------------- [Hide|Show] menu: Num 4 [Hide|Show] counter Num 5 Stop and reset settings: Num 6 ------------------------------------- Fullscreen: F11 Zoom [+|-] Ctrl+[+|-]