Hostname: page-component-78c5997874-j824f Total loading time: 0 Render date: 2024-11-05T16:06:37.384Z Has data issue: false hasContentIssue false

On the Facilities Afforded in the Commutation System by the Introduction of Columns of Differences

Published online by Cambridge University Press:  18 August 2016

Samuel L. Laundy*
Affiliation:
Eagle Life Office
Rights & Permissions [Opens in a new window]

Abstract

Image of the first page of this content. For PDF version, please use the ‘Save PDF’ preceeding this image.'
Type
Correspondence
Copyright
Copyright © Institute and Faculty of Actuaries 1860

References

page 169 note * Professor De Morgan adopted the symbols S x|n and R x|n as an abbreviated form for S x –S x+n nN x+n and R x –R x+n nM x+n Companion to Almanac, 1840, p. 8.