Friday, March 04, 2005

Numerals And Numeral Systems, Multiplicative grouping systems

In multiplicative systems, special names are given not only to 1, b, b2, and so on but also to the numbers 2, 3, , b - 1; the symbols of this second set are then used in place of repetitions of the first set. Thus, if 1, 2, 3, , 9 are designated in the usual way but 10, 100, and 1,000 are replaced by X, C, and M, respectively, then in a multiplicative grouping system one should write 7,392 as 7M3C9X2. The principal example of this kind of

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