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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.

Decimal-Dozenal Conversion Rules

Title: Decimal-Dozenal Conversion Rules
Author: Prof. Gene Zirkel
Year: 11E1
Subject: Rules for converting dozenal to decimal, integers and fractions, by hand.
http://www.dozenal.org/../sites_bck/default/files/DSA-ConversionRules_0.pdf

This document offers rules and examples for converting decimal numbers to dozenal and vice versa, useful for when conversion must be done by hand.