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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Book Description Barnes & Noble Books, 1981. Paperback. Book Condition: New. Bookseller Inventory # DADAX0064635309
Book Description Barnes & Noble Books, 1981. Paperback. Book Condition: New. book. Bookseller Inventory # 64635309