More than 60 new puzzles and stunts based on the properties of numbers.
More than 60 new puzzles and stunts based on the properties of numbers.
Sold by
Rupa Publications
Visit Store →
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.
Publisher: Rupa Publications India
Author: Royal Vale Heath
Pages: 126
ISBN: 9780486323961
Publication Date: 25 September 2015
More than 60 new puzzles and stunts based on the properties of numbers.
More than 60 new puzzles and stunts based on the properties of numbers.
Sold by
Rupa Publications
Visit Store →
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.
Publisher: Rupa Publications India
Author: Royal Vale Heath
Pages: 126
ISBN: 9780486323961
Publication Date: 25 September 2015
Based on 0 Reviews
Based on 0 Reviews
