โ Scribed by Gilbert Obermair
No coin nor oath required. For personal study only.
Includes geometry puzzles, word puzzles, brain twisters, magic tricks, and other fun uses for matchsticks.
๐ SIMILAR VOLUMES
A collection of coin and card tricks, mathematical games, geometric puzzlers, brain teasers, and calculator riddles.
Perform amazing feats of mathematical magic, answer clever riddles, and much more with this book and a handy pocket calculator. Scores of brain-teasers, puzzles, mathematical oddities, games, and recreations to fill dozens of hours with fun and excitement. Answers to problems.
A collection of games, tricks, and puzzles which illustrate the capabilities of a calculator.
Fun facts, formulas, and Fibonacci numbers-a brain-teasing book that brings mathematical ideas to life.<br> <br>Just how big is a billion? Well, if you had a billion dollars and invested it in a business that lost a thousand dollars a day, do you know how long it would take you to go broke? Answer: