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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 25z (29d) | Vol. 12z (14d) No. 2 | Year 1172z (1958d) ▶️



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Editor: Ralph Beard

Contents:

  • Proposal for a New Metric System | I. V. Colonna Valevski
  • Lewis Carl Seelbach — 1884–1958
  • The Long Roll
  • Duodecimal Operations from Old Arithmetics
  • The Duodecimal System | Thomas H. Goodman
  • One Language for the World
  • Supplement to the Duodecimal Bibliography
  • Barriers Away!
  • Counting in Dozens