Bellard's formula

mathematical formula
Intangible formula Q1108664
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Bellard's formula

Summary

Bellard's formula is a formula[1]. It draws 155 Wikipedia views per month (formula category, ranking #64 of 501).[2]

Key Facts

  • Bellard's formula is credited with the discovery of Fabrice Bellard[3].
  • Bellard's formula's instance of is recorded as formula[4].
  • Fabrice Bellard is named after Bellard's formula[5].
  • Bellard's formula's Freebase ID is recorded as /m/0fglkw[6].
  • Bellard's formula's used by is recorded as PiHex[7].
  • Bellard's formula's defining formula is recorded as \pi = \frac1{2^6} \sum_{n=0}^\infty \frac{(-1)^n}{2^{10n}} \left(-\frac{2^5}{4n+1} - \frac1{4n+3} + \frac{2^8}{10n+1} - \frac{2^6}{10n+3} - \frac{2^2}{10n+5} - \frac{2^2}{10n+7} + \frac1{10n+9} \right)[8].
  • Bellard's formula's maintained by WikiProject is recorded as WikiProject Mathematics[9].
  • Bellard's formula's in defining formula is recorded as \pi[10].

Body

Works and Contributions

Bellard's formula is credited with the discovery of Fabrice Bellard[3].

Why It Matters

Bellard's formula draws 155 Wikipedia views per month (formula category, ranking #64 of 501).[2] It has Wikipedia articles in 9 language editions, a strong signal of global cultural recognition.[11]

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Bellard's formula. Retrieved May 3, 2026, from https://4ort.xyz/entity/bellard-s-formula
MLA “Bellard's formula.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/bellard-s-formula.
BibTeX @misc{4ortxyz_bellard-s-formula_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Bellard's formula}}, year = {2026}, url = {https://4ort.xyz/entity/bellard-s-formula}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Bellard's formula — https://4ort.xyz/entity/bellard-s-formula (retrieved 2026-05-03)

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