------------------------------------- Keyboard Shortcuts: ------------------------------------- [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 ------------------------------------- Zoom [+|-] Ctrl+[+|-] Fullscreen: F11 This help: Key h