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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 23z (27d) | Vol. 11z (13d) No. 2 | Year 1171z (1957d) ▶️



Click to view PDF

Editor: Ralph Beard

Contents:

  • Esperanto
  • Doremic System of Time Measurement | Henry C. Churchman
    • Introduction
    • Years
    • Days
    • Telling Time
    • Window Kronodores
    • Do-Re-Mi Seasonal Quarter Years
    • First Day of Spring
  • Another Fault in the Decimal System | Dr. Herman Reichenbach
  • The Beberman Experiment in Teaching Mathematics
  • Projects for Eager Dozeners
  • Events in Dozens
  • Aversion to Arithmetic | Ralph H. Beard
  • Antipatio al Arithmetiko | Ralph H. Beard
  • Counting in Dozens