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.
301-56
Editor:
Dr. Patricia Zirkel
Associate Editor:
Volume:
30
Issue:
1
Whole Number:
56
Year:
1197
Subject:
Trigg’s Pentagonal numbers; Schumacher obituary; “Number Bases Elsewhere”, part 3
