Items related to Mathemagic

Mathemagic - Softcover

R. Heath

 
9780486323961: Mathemagic

Synopsis

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

"synopsis" may belong to another edition of this title.