Arthur Benjamin, Michael B. Shermer, "Mathemagics: How to Look Like a Genius Without Really Trying"
English | ISBN: 0929923545, 1565651189 | 1994 | 240 pages | PDF | 14 MB
English | ISBN: 0929923545, 1565651189 | 1994 | 240 pages | PDF | 14 MB
Using proven techniques, Mathemagics presents the secrets of lightning calculation. It shows how to add, subtract, multiply, and divide faster than is possible with a calculator or pencil and paper and helps readers conquer their nervousness about math.