Cotsworth's reciprocals for all numbers from 1 to 10,000,000
Subtitle: with direct index reference to seven significant figures, complete for numbers under 100,000, beyond which the extension to 10,000,000 is rendered easy by the additive differences printed at the foot of each table
By: uniformly arranged for instant use at a glance and sold by M.B. Cotsworth
Publisher: McCorquodale & Co., Limited
Published: 1900
Place of publication: London
Language: eng
Number of pages: 53
Subjects: Reciprocals
Other titles: Direct calculator (R).
Notes: Cover title: "Direct calculator" (R).