Brief Method of Dividing a Given Number by 9 or 11

descriptionPublicationkeyboard_double_arrow_right Article 01 Oct 1897 English Publisher:Springer Science and Business Media LLCJournal:Nature, volume 56, pages 565-566 (issn: 0028-0836, eissn: 1476-4687,

Copyright policy )

Authors: Dodgson, Charles L.;

doi: 10.1038/056565f0

Brief Method of Dividing a Given Number by 9 or 11

- Summary
- Metrics

Abstract

I SHALL be grateful if you will allow me to communicate, through your columns, to mathematicians generally, but specially to those engaged in teaching arithmetic, two new rules, which effect such a saving of time and trouble that I think they ought to be regularly taught in schools.

Impact byBIP!

	selected citations These citations are derived from selected sources. This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	1
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Average
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Average
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Average