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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 80z (96d) | Vol. 40z (48d) No. 1 | Year 11A7z (1999d) ▶️



Click to view PDF

Editor: Prof. Jay Schiffman

Cover Title: dozens.org web page

Contents: DSA’s first website; Country’s “Numbers and Number Systems”; consumer preference

  • Minutes of the Annual Meeting — 11A6z (1998d) | Alice Berridge
    • Featured Speaker
      • Prof. John Earnest | how to construct a Web site
    • Board of Directors Meeting
    • Annual Membership Meeting
      • Treasurer’s Report | Allice Berridge
      • Editor’s Report | Jay Schiffman
      • Annual Meeting Committee | Alice Berridge
      • Nominating Committee | Alice Beridge
      • Other Business
  • Our British Associates
  • Numbers and Number Systems | H. M. Country
  • From the Cover: DSA’s e-mail and Web page: dozens.org
  • Jottings
  • Consumers Prefer Traditional U.K. Weights and Measures | The Yardstick, BWMA
  • DSA Membership Drive
  • Why Change?