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.
141-28
Editor:
Ralph Beard
Associate Editor:
Volume:
14
Issue:
1
Whole Number:
28
Year:
1174
Subject:
Dozenal math club charts; Metric inches; Divisibility tests; Division from the right
