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.
Perform amazing feats of mathematical magic, answer clever riddles, solve a baffling murder, and much more with this clever introduction to calculator games. Answers included.
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