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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.

RAENBO Dozenals

Title: RAENBO Dozenals
Author: Timothy Travis
Year: 11E9
Subject: Travis' RAENBO system of dozenals.
In this document, DSA board member Timothy Travis (#342) presents some beautiful graphics and commentary regarding his love for dozenals and his ideas for using them. The playing-card back he designed is especially lovely.