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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.

462-91

Editor: Prof. Jay Schiffman
Associate Editor: Prof. Gene Zirkel
Volume: 46
Issue: 2
Whole Number: 91
Year: 11E1
Subject: Aspirant’s Test No. 1; Leubner’s dozenal terminology
http://www.dozenal.org/../sites_bck/default/files/DuodecimalBulletinIssue462-web.pdf