Shultz tables are tables with randomly placed objects (usually numbers or letters) used for testing and development of speed of finding these objects in a certain order. Exercise tables allow you to improve the peripheral visual perception, which is important for speed reading. Treat your brain exercises that uncomplicated will help him develop. Can compete with your friends on velocity tables. But these exercises speed is not the main thing, the main thing is to improve the peripheral visual perception. These are not complicated and simple exercises really necessary for our brain. Good luck with your training.