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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 61z (73d) | Vol. 32z (38d) No. 1 | Year 1199z (1989d) ▶️



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Editor: Dr. Patricia Zirkel

Cover Title: Banquet following the 1988d Annual Meeting

Contents:

  • Minutes of Annual Meeting of 1988d (1198z)
    • Board of Directors Meeting
    • Annual Membership Meeting
      • Reports of Officers
        • President’s Report | Gene Zirkel
        • Treasurer’s Report | James Malone
        • Editor’s Report | Patricia Zirkel
      • Reports of Committees
        • Annual Meeting Committee | Barbran Smith, Antony Catania, Alice Berridge
        • Nominating Committee | James Malone, Larry Aufiero, Antony Catania
        • Awards Committee | Tony Scordato, John Impagliazzo, James Malone
      • New Business
    • Afternoon Presentations
      • Fred Newhall | The Nu-Age World Calendar
      • Dr. John Impagliazzo | Music, Scales and Dozens
      • Jamison Handy | ratios of harmonics of a pipe organ
  • From the Editor
  • Membership Reaches Three Gross
  • Seven Segment Symbols for Dek and El
  • Addenda to Index — Volumes 2A–31z
    • missing issue: Whole Number 58z | Vol. 30z No. 3
  • My Ideas | A.A. Paquette
  • Ralph Beard Memorial Award | Patricia Zirkel
  • Dozenal Jottings
    • Edith Andrews passes away
    • Paul Papoport | computer tutorial & quiz for dozenal arithmetic
    • Don Hammond (DSGB)
    • Arthur Whillock (DSGB) | correspondence with Anne, Countess Atlee
    • Jerry Brost | software tutorial Bases Other Than 10
    • H.C.O. Steele (New Zealand)
    • Donations from Charles F. Marschner, Eugene Scifres, George S. Cunningham, Jay Schiffman
    • Stan Bumpus
    • New members: Hari Kuchibhotla, David Hankin, Cate Andrews, Frances Metallo, Prof. John C. Peterson (U.ME)
  • Are You in the Green?
  • Next Issue
  • A Puzzle | Gene Scifres
  • Why Change?
  • Counting in Dozens