Wallis product

Summary

Wallis product is a formula^[1]. It ranks in the top 10% of formula entities by monthly Wikipedia readership (121 views/month).^[2]

Key Facts

• Wallis product's instance of is recorded as formula^[3].
• Wallis product's instance of is recorded as approximation algorithm^[4].
• John Wallis is named after Wallis product^[5].
• Wallis product's Freebase ID is recorded as /m/04r5lk^[6].
• Wallis product's described by source is recorded as Brockhaus and Efron Encyclopedic Dictionary^[7].
• Wallis product's described by source is recorded as Great Soviet Encyclopedia (1926–1947)^[8].
• Wallis product's Encyclopædia Britannica Online ID is recorded as topic/Wallis-product^[9].
• Wallis product's different from is recorded as Q9381191^[10].
• Wallis product's defining formula is recorded as \prod_{n=1}^{\infty}\left(\frac{2n}{2n-1}\cdot\frac{2n}{2n+1}\right)=\frac{\pi}{2}^[11].
• Wallis product's MathWorld ID is recorded as WallisFormula^[12].
• Wallis product's maintained by WikiProject is recorded as WikiProject Mathematics^[13].
• Wallis product's Microsoft Academic ID is recorded as 2779491319^[14].
• Wallis product's ProofWiki ID is recorded as Wallis's_Product^[15].

Why It Matters

Wallis product ranks in the top 10% of formula entities by monthly Wikipedia readership (121 views/month).^[2] It has Wikipedia articles in 19 language editions, a strong signal of global cultural recognition.^[16] It is known by 10 alternative names across languages and contexts.^[17]