How to Perform Feats of Mathematical Wizardry : (They’ll Marvel at Your Amazing Number Tricks. Games, Lightning Calculation, Your Magical Knowledge! They’ll Think You’re A Genius!)
This book will teach you how to present incredible feats of mathematical ability, even if you’ve never excelled in the subject. It explains demonstrations with lightning calculation, magic squares, calendars, cards and more. The perfect way to convince any audience that you are a mathematical genius.
