No CrossRef data available.
Article contents
On the Facilities Afforded in the Commutation System by the Introduction of Columns of Differences
Published online by Cambridge University Press: 18 August 2016
Abstract
![Image of the first page of this content. For PDF version, please use the ‘Save PDF’ preceeding this image.'](https://static.cambridge.org/content/id/urn%3Acambridge.org%3Aid%3Aarticle%3AS204616580000109X/resource/name/firstPage-S204616580000109Xa.jpg)
- Type
- Correspondence
- Information
- 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.