Quote#Wisdom
Among his [John Wallis'] interesting discoveries was the relation
Quote byDavid Eugene Smith · 1860–1944
Commonly attributed — not confirmed in an authoritative edition. Cited on Wikiquote to: History of Mathematics (1923) Vol.1, p. 441 Footnote: see his Opera Mathematica, I.
English (original)
Among his [John Wallis'] interesting discoveries was the relation \frac{4}{\pi} = \frac32\cdot\frac34\cdot\frac54\cdot\frac56\cdot\frac76\cdot\frac78\cdots one of the early values of π involving infinite products.
— David Eugene Smith
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