• Georges Ifrah (1947 – 1 November 2019) was a teacher of mathematics, a French author and a self-taught historian of mathematics, especially numerals....
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    Contemporary Perspective, New Delhi: Oxford and IBH Publishing Co., pp. 113–24 Georges Ifrah: From One to Zero. A Universal History of Numbers, Penguin Books, 1988...
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    numbered 7 Carl B. Boyer, A History of Mathematics (1968) p.52, 2nd edn. Georges Ifrah, The Universal History of Numbers: From Prehistory to the Invention...
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    work. While he did not use a symbol for zero, the French mathematician Georges Ifrah argues that knowledge of zero was implicit in Aryabhata's place-value...
    41 KB (4,783 words) - 16:07, 31 May 2024
  • chiffres, Georges Ifrah, Robert Laffont, 1994. The Universal History of Numbers: From prehistory to the invention of the computer, Georges Ifrah, ISBN 0-471-39340-1...
    43 KB (1,527 words) - 02:33, 27 May 2024
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    11005. Archived from the original on 2023-03-26. Retrieved 2023-02-25. Georges Ifrah, The Universal History of Numbers: From Prehistory to the Invention...
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    Bloom, F.; Gage, F.; Spitzer, N. New Encyclopedia of Neuroscience. Georges Ifrah. The Universal History of Numbers : From Prehistory to the Invention...
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    that they are alphabetic are, at best, educated guesses. Brahmi script Georges Ifrah, The Universal History of Numbers: From Prehistory to the Invention...
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    Online. British Broadcasting Corporation (BBC). Retrieved 2023-06-02. Georges Ifrah, The Universal History of Numbers: From Prehistory to the Invention...
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    Hindu-Arabic numerals. Boston; London: Ginn and Company. pp. 27–29, 40–41. Georges Ifrah, The Universal History of Numbers: From Prehistory to the Invention...
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