Code:
Mathemagics: How to Look Like a Genius Without Really Trying
Lowell House
Arthur Benjamin, Ph. D., and
Michael Brant Shermer, Ph. D.
1993-03
ISBN: 0929923545
218 pages
PDF
ENGLISH
14 MB
Using proven techniques, this volume 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.