amp;*(!? Symbols | Dozenal Society of America
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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.

Symbols, Symbols, !@#$%¢&*(!? Symbols

Title: Symbols, Symbols, !@#$%¢&*(!? Symbols
Author: Prof. Gene Zirkel
Year: 1192
Subject: Explains the temporary adoption of Bell numerals by the Duodecimal Bulletin.

Prof. Zirkel recounts a meeting with the DSGB’s Arthur Whillock in which dozenal numerals were discussed, and voices his espousal of the “Bell” numerals (* and #) inspired by the American telephone monopoly’s telephone dials. The Bell numerals were used in print in the Duodecimal Bulletin between 1186 (decimal 1974) and mid 11E4 (decimal 2008).