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Dozenal Society of America
Promoting base twelve and alternative base mathematics
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The Dozenal Society of America
The DSA is a voluntary, nonprofit education corporation, organized for the conduct of research and education of the public in the use of dozenal (also called duodecimal or base-twelve) in calculations, mathematics, weights and measures, and other branches of pure and applied science.

The Duodecimal Bulletin

◀️ Issue: Whole Number 29z (33d) | Vol. 14z (16d) No. 2 | Year 1174z (1960d) ▶️



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Editor: Ralph Beard

Contents:

  • First International Duodecimal Conference
  • On Time and Distance | Peter Andrews
  • Logical Money, Weights and Measures | Brian R. Bishop
    • Ten is a Poor Base for a Rational System
    • Planning a System of Units on Twelves
    • Easier Arithmetic
    • Factors, Numerical and Logical
  • The Dozenalist Looks at Computer Arithmetic | George S. Cunningham
  • The Annual Award for 1959
  • Doremic Scientists Surfaces | Henry Clarence Churchman
    • Metronic Dimensions
    • Decimal Relationship of Miles, Edons, and Furlongs
    • Land Descriptions
    • Numbering of Champs of Land
    • U.S. Public Land Surveys Remain Valid
    • Metes and Bounds
    • A Word of Caution
    • Systems of Dimensions Compared
    • Other Surfaces
  • Terminal Digits of MN(M2−N2) | Charles W. Trigg
  • One Over B Minus One | Alfonso Lane
  • Counting in Dozens