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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.

A Numeral Toolbox

Title: A Numeral Toolbox
Author: Michael deVlieger
Year: 11E6
Subject: Methods for divising numerals for non-decimal bases.
http://www.dozenal.org/../sites_bck/default/files/db4b111_0.pdf

This article, part II of a two-issue exploration of all dozenal symbologies, suggests a few simple methods of designing numerals for transdecimal number bases. Studies of “Separate Identity’ symbologies reveals relationships among their numeral symbols. The symbologies of large number bases are also examined. See also Symbology Overview for Part I.
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Creative Commons License
This website and the documents on it are licensed under a Creative Commons Attribution 3.0 Unported License.
Numeration on this site is in dozenal (also called duodecimal, or base twelve), using "X" for ten and "E" for eleven.
0 1 2 3 4 5 6 7 8 9 X E 10 11 12 13 14 15 16 17 18 19 1X 1E 20 21 22...
PDF documents may use a Dwiggins stylized "X" and "E" or the Pitman inverted "2" and "3".
The Humphrey point, or semicolon, is used for fractional parts; e.g., "0;6 = 0.5."