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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 9Bz (119d) | Vol. 4Bz (59d) No. 2 | Year 11B6z (2010d) ▶️



Click to view PDF

Editor: Michael DeVlieger

Cover Title: Dozenal Home Primes

Contents:

  • President’s Message | Michael DeVlieger
  • The Dozen, Commerce’s Favorit Number
  • Minutes of the Annual and Board Meetings — 11B6z (2010d)
  • Ralph Beard Memorial Award — 11B6z (2010d): Michael DeVlieger
  • Featured Figures → Dozenal Powers of Two and Three
  • Simon Stevn | Dan Simon
  • Problem Corner (Logarithms and Bases) | Prof. Gene Zirkel
  • How Do You Pronounce Dozenals? | Prof. Gene ZirkeL
  • Dozenal Home Primes: Feature | Jay L. Schiffman
    • Iterations of Home Primes | Jay L. Schiffman
  • Mathematics and Computer Education (Advertisement)
  • Problem Corner (Cryptogram) | Prof. Gene Zirkel
  • Key Dozenal Fractions | Michael DeVlieger
  • The Mailbag
    • B. Ditter
    • T. Travis
    • D. Demarest
    • M. Ruocco
    • P. Andrews
  • Dozenal Jottings: Latest Members
  • Next Issue: Celebrating A0z Issues!
  • Join the DSA Today!