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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.

Key Dozenal Fractions

Title: Key Dozenal Fractions
Author: Michael deVlieger
Year: 11E7
Subject: Pictures and graphs illustrating dozenal's unique fractional properties.

One of the reasons duodecimal is superior to decimal and any other human-scale number base is its simple representation of the commonest fractions, the half, thirds and quarters. This article includes graphs that may help elucidate this fact.