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.
351-6X
Editor:
Dr. Patricia Zirkel
Associate Editor:
Volume:
35
Issue:
1
Whole Number:
6X
Year:
11X0
Subject:
Long hundreds; Earliest dozenal book; Schiffman’s “Superprimes”