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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.

A Dozenal Primer

Title: A Dozenal Primer
Author: Dozenal Society of America
Year: 1200
Subject: A brief explanation of the dozenal system designed for beginners, in only a dozen pages
This little book is designed as a quick and easy introduction to dozenal for those who have no interest or knowledge of them. Weighing in at only a dozen pages, it is an ideal way to display the advantages of dozenal without overwhelming the non-mathematically-inclined. Available for sale at Lulu.