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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.

De Numeratione

Title: De Numeratione
Author: Brennus Legranus
Year: 1202
Subject: A modern explanation of dozenals, written in Latin.
Longtime DSGB stalwart and passionate classicist Brennus Legranus writes a beautiful, elegant, and informative introduction to dozenals in Latin. Classicists everywhere will delight in his style and diction, and will learn something about dozenals, too.