Figuring: The joy of numbers
Figuring: The joy of numbers
Publisher: Harper & Row | ISBN: 0060110694 | edition 1977 | PDF | 157 pages | 5 mb
A collection of numerical and mathematical curiosities and tricks with numbers, by the world's fastest (according to the "Guinness Book of Records) human calculator. A mathematical prodigy since the age of three, the author travels the world giving exhibitions of her powers.
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