Abstract
DR. CUSACK is a firm believer in the decimal system, and there can be no doubt that he speaks with some authority, in view of the great experience he has enjoyed of teaching arithmetic and other branches of a business training to all classes of pupils. Many have argued theoretically about the educational and commercial advantages of a decimal system, as against the complicated notations now in use in this country, and some have worked out decimal systems which they considered suitable for introduction by Act of Parliament. Dr. Cusack has gone a step further by producing a text-book of arithmetic in which the calculations are all in terms of the decimal notation, and the various quantities dealt with, like length, area, volume, weight, and money, are all decimalised.
The Arithmetic of the Decimal System.
By Dr. J. Cusack. Pp. xvi + 492. (With answers.) (London: Macmillan and Co., Ltd., 1920.) 6s.
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BRODETSKY, S. The Arithmetic of the Decimal System . Nature 108, 174–175 (1921). https://doi.org/10.1038/108174b0
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DOI: https://doi.org/10.1038/108174b0
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