Mathemagic: Magic, Puzzles and Games with Numbers (Dover Recreational Math)

Type

Book

Authors

Royal V. Heath

ISBN 10

0486201104

ISBN 13

9780486201108

Tags

Magic & Illusion, Children's Books, Magic, Puzzles, Mathematics

Description

More than 60 new puzzles and stunts based on the properties of numbers. Easy techniques for multiplying large numbers mentally, identifying unknown numbers, determining the date of any day in any year, such entertainments as The Lost Digit, and Psychic Bridge. Over 30 pages of magic squares, triangles, cubes, more. 76 illustrations. - from Amzon

Number of Copies