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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 DSA Newscast

◀️ Vol. 5 Iss. 3 | 1 May 1201z (2017d) ▶️



Click to view PDF

Editor: Donald Goodman III

Contents:

  • Feature: The Vitality of Twelve
      Proving that the sum of all positive integers is −0.1z
  • Dozenal News
    • Website: The Dozenal System | weebly.com
      • Introduction to the Dozenal System
      • Why Fix What Isn’t Broken?
      • Packaging
      • Our Five-Fingered Hands
      • Imperial vs Metric
      • Counting
        • Basic Building Blocks
        • Example Numbers
        • Fractionals
        • Communicating Numbers with Your Fingers
      • Division
      • Multiplication
        • Tricks to Use Instead of Memorizing tables
      • Symmetry
        • Translation Symmetry
        • Reflective Symmetry
    • Dozenal Calculator Web App
    • Steven Jacks’s Dozenal Articles
  • Society Business
    • Volunteers Needed
    • DSA Printed Works Still Available
  • Poetical Diversion: “We’ll Go No More A-Tenning”
  • Donations
  • For Sale