- McGill University Archives
- Charles Alexander Brodie-Brockwell Fonds
- Research on Pre-Christian mathematics
Circular Abacus - Ancient theory of Unity
The file contains research on the ancient theory of Unity in the light of the Circular Abacus (ch1 provisional description of circular abacal calculation…; ch.2 ibn ezra’s elucidation of theory and practice of circular abacal calculation.; Ch. 3 evidence of th…