The Duodecimal Bulletin

Editor: Dr. Patricia Zirkel

Cover Title: Jens Ulff-Mollor from Copenhagen addresses DSA members at NCC

Contents:

• Minutes of Annual Meeting | Alice Herridge
  • Board of Directors Meeting
  • Annual Membership Meeting
    • President’s Report | Fred Newhall
    • Treasurer’s Report | Anthony Catania
    • Editor’s Report | Dr. Patricia Zirkel
    • Committee Reports
      • Annual Meeting Committee | Dr. Barbran Smith
      • Awards Committee | Gene Zirkel
      • Nominating Committee
  • Featured Speaker: Jay Schiffman | alternate solution to Charles Ashbacher’s “Base Twelve Crossnumber Puzzle”
• Available from the Society
• A Dozen Decades: Long Hundreds and Historical Methods | Jens Ulff-Moller, PhD candidate Univ. Copenhagen
  • Report on Lecture | Alice Berridge & Gene Zirkel
• Re: The Duodecimal Bulletin (ISSN 0046-0826) | R.E. McPherson
• How I Found the Oldest Book on Dozens | Fred Newhall
• A Note on Superprimes | Jay L. Schiffman
• A Base Puzzle Solution | Jean Kelly
• DSA Seal Puzzle #1
• Dozenal Jottings | From Members and Friends
  • Donald Hammond (DSGB) | thanks for Ralph Beard Memorial Award
  • Dudley George
  • Paul Schumacher
  • Michael Burke (NZ)
  • New Members: Kelly Gene Willis, Mary Jane Newhall, Dr. Underwood Dudley
  • Palindromes | Sean Ferguson
• Palindromes | Sean Ferguson
• Did Japan Come Back? Some Further News
• Dek the Halls | Jean Kelly
• Why Change?
• Counting in Dozens