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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.

Chord Dialer

Name: Chord Dialer
Type: Educational
Summary: A printable chord-dialer to easily identify major and minor chords.
Author: Troy (Donald Hammond)
Version:
Nature: Download
Download:
Location: Chord Dialer

A simple, printable chord-dialer, which uses the innate powers of the dozen to identify harmonious major and minor chords. Note are identified both by dozenal numbers and by the traditional musical notation (C, D, etc.).