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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 79z (93d) | Vol. 3Az (46d) No. 2 | Year 11A5z (1997d) ▶️



Click to view PDF

Editor: Prof. Jay Schiffman

Cover Title: “Really Neat!”

Contents:

  • Announcement of Annual Meeting
  • Shortcuts for Writing Dates and Times in the Dozenal World | Robert J. McGehee
  • The Digits of Duodecimal Integers | Jay L. Schiffman
  • Jottings
  • From the Editor | Jay L. Schiffman
    • Letter from Jerry Brost
    • Letter from Robert J. McGehee
    • Letter from Courtney B. Owen
  • On the Merits of Duodecimals | Robert Siegel and Gene Zirkel
    • Interview on National Public Radio All Things Considered
  • Why Change?