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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 97z (115d) | Vol. 49z (57d) No. 2 | Year 11B4z (2008d) ▶️



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Editor: Michael DeVlieger

Cover Title: A History of the DSA

Contents:

  • President’s Message | Michael DeVlieger
  • The DSA Media Report | Michael DeVlieger
  • The New Digital Bulletin | Michael DeVlieger
  • Going Classic | Michael DeVlieger
  • A History of the DSA: Feature | Prof. Gene Zirkel
    • Birth of the DSA
    • Our Sister Society
    • Timeline of Beard Award Recipients
    • Honorary and Life Membership Lists
    • Lists of the Fellows of the Society and Officers
    • Timeline of the Duodecimal Bulletin
  • Problem Corner | Prof. Gene Zirkel
  • The Mailbag
    • Trevor de Clerq
    • Brian Hetrick
  • Minutes of the 5 April Meeting
  • Featured Figures → Basic Operations
  • Mathematics and Computer Education (Advertisement)
  • Join the DSA Today!