The Duodecimal Bulletin

Editor: Dr. Patricia Zirkel

Cover Title: Schedule—1986 Annual Meeting

Contents:

• Schedule—1986 Annual Meeting
• Two-Way Numbers | Cedric Smith
• Book Review | Jerry Brost.
  • TGM: A Coherent Dozenal Metrology based on Time, Gravity & Mass | Tom Pendlebury, DSGB
• Book Review | Gene Zirkel
  • The American Metric Journal
• An Answer | Jean Kelly
  • “radix” as generic word for “10” in any base
  • “radix squared” as generic for “100”
  • “radix cubed” as generic for “1000”
  • “ten” through “fifteen” for “A” through “F”
• Program to Convert to Base Twelve | Bruce Newhall
• Dozenal Jottings
  • Charles Dale | recommends “Dek-Dek” as name of panda mascot
  • Jerry Brost
  • Don Hammond
  • Bill Schumacher
  • Fred Newhall
  • Cedric Smith
  • Dick Trelfa
  • John Selfridge & David Singmaster | Eugene Strens Memorial Converence on Intuitive and Recreational Mathematics and its History
  • Emily K. Lovell & Robert E. Lovell
  • Charles F. Marschner
  • Elaine Seelbach Renstrom re Lewis Carl Seelbach
  • Faye Russell
  • Robert McPherson
  • Jamison Handy
  • Valo A. Mueleje, Esperanto enthusiast
  • Joy M. Heine
  • Dr. Sharon Whitton Ayers
• Number Bases Elsewhere, part II
  • “A Babylonian Geometric Algebra” | James K. Bidwell | The College Mathematics Journal | uses the semicolon to indicate Babylonian fractions
• Sexist Language (continued) | Patricia Zirkel
  • Handbook of Nonsexist Writing | Casey Miller & Kate Swift | “fellow” considered gender-neutral
• Why Change?
• Counting in Dozens