A Duodecimal Scale

Title: A Duodecimal Scale
Author: Dr. Edward Brooks
Year: 1104
Subject: A turn-of-the-century account of dozenal arithmetic and notation.
http://www.dozenal.org/drupal/sites_bck/default/files/DSA_brooks_philosophy_arithmetic.pdf
This work by Dr. Edward Brooks, a famed philosopher of mathematics, explains his system of dozenal notation and gives a brief explanation of arithmetic in dozenal, providing examples of all four functions. Yet another excellent piece from a distinguished mathematician showing the benefits of the dozenal system.