The DSA is a voluntary, nonprofit educational 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 Dozen Properties of the Number Twelve

Title:

A Dozen Properties of the Number Twelve

Author:

Dozenal Society of America

Year:

1192

Subject:

Prof. Schiffman examines some number theoretical properties of the dozen.