Twentieth century system of notation
Subtitle: calculations made easy, the octimal system of notation and numeration, combining simplicity with the greatest practical utility
By: Geo. H. Cooper
Series: CIHM/ICMH Microfiche series = CIHM/ICMH collection de microfiches -- no. 81488; CIHM/ICMH microfiche series -- no. 81488
Publisher: Columbian Co.
Published: 1901
Place of publication: New Westminster, B.C
Language: eng
Format: [microform] :
Number of pages: 21
Subjects: Octal system; Système octal; Arithmétique; Arithmetic
Other titles: The octimal system of notation and numeration
Notes: Tables.

Filmed from a copy of the original publication held by the University of British Columbia Library, Special Collections Division, Vancouver. Ottawa : Canadian Institute for Historical Microreproductions, 1996.

29 p. : ill., port. ; 22 cm.