Elements of arithmetic, by Augustus De Morgan 68662 [Author: Augustus De Morgan] [Link: https://www.gutenberg.org/6/8/6/6/68662] [Files: 68662-0.txt; 68662-h.htm] Thanks to Richard Tonsing and the Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) Regards, Al