Wallis product

infinite product for pi

Wikidata entity: Q1501324



P2534 defining formula Math n=1(2n2n12n2n+1)=π2 ???
P1343 described by source ... Q20078554 (Great Soviet Encyclopedia (1926–1947)) Great Soviet Encyclopedia (1926–1947)
P1343 described by source ... Q602358 (Brockhaus and Efron Encyclopedic Dictionary) Brockhaus and Efron Encyclopedic Dictionary
P1889 different from ... Q9381191 (???) ???
P31 instance of ... Q621751 (approximation algorithm) approximation algorithm
P31 instance of ... Q976981 (formula) formula
P6104 maintained by WikiProject ... Q8487137 (WikiProject Mathematics) WikiProject Mathematics
P138 named after ... Q208359 (John Wallis) John Wallis

External Ids
P1417Encyclopædia Britannica Online IDtopic/Wallis-product
P646Freebase ID/m/04r5lk
P2812MathWorld IDWallisFormula
P6366Microsoft Academic ID (discontinued)2779491319
P6781ProofWiki IDWallis's_Product

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