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Mathemagic - (Dover Recreational Math) by Royal V Heath (Paperback)

Mathemagic - (Dover Recreational Math) by  Royal V Heath (Paperback)
Store: Target
Last Price: 9.99 USD

Product info

<p/><br></br><p><b> About the Book </b></p></br></br>Includes elementary puzzles, number stunts, mental multiplication, interest rates, oddities, and more.<p/><br></br><p><b> Book Synopsis </b></p></br></br>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.

Price History

Cheapest price in the interval: 9.99 on November 8, 2021

Most expensive price in the interval: 9.99 on December 20, 2021