Prepare and exercise for Memory Olympiads (Memoriad), World Memory Championships, Mental Calculation World Cups and Photographic Speed Reading Contests. Learn to memorize thousands of numbers, playing cards, and learn to remember names and faces; Use your brain as human calculator (mental calendars, mental additions, mental multiplications and mental square roots, etc.); Learn photographic speed reading techniques. Become a top memorizer or top mental calculator. Learn how to be a memory champion.