The Hindu-Arabic Numerals c12.98
The Hindu-Arabic Numerals c12.98
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c12.98
c French Algorismus of 1275; from an unpublished photograph of the original, in the possession of D. E. Smith. See also p. 135.
The Hindu-Arabic Numerals c12.98
c French Algorismus of 1275; from an unpublished photograph of the original, in the possession of D. E. Smith. See also p. 135.