tau

ratio of the circumference of a circle to its radius
Thing mathematical_constant Q2333151
tau
User:Waldir · Public Domain · Wikimedia
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tau

Summary

tau is a mathematical constant[1]. tau has Wikipedia articles in 7 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • tau's instance of is recorded as mathematical constant[3].
  • tau's instance of is recorded as transcendental number[4].
  • tau's instance of is recorded as real number[5].
  • tau's Commons category is recorded as Tau[6].
  • tau's notation is recorded as Τ[7].
  • tau's numeric value is recorded as {'amount': '+6.283185307179586476925286766559005768394338798750211641949889184615632812572417997256069650684234136'}[8].
  • tau's described by source is recorded as The Elliptic Functions As They Should Be[9].
  • tau's different from is recorded as Tourist Association of Ukraine[10].
  • tau's TeX string is recorded as \tau[11].
  • tau's maintained by WikiProject is recorded as WikiProject Mathematics[12].

Body

Definition and Type

Recorded instance of include mathematical constant[3], transcendental number[4], and real number[5].

Why It Matters

tau has Wikipedia articles in 7 language editions, a strong signal of global cultural recognition.[2] tau is known by 15 alternative names across languages and contexts.[13]

📑 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). tau. Retrieved May 3, 2026, from https://4ort.xyz/entity/tau-q2333151
MLA “tau.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/tau-q2333151.
BibTeX @misc{4ortxyz_tau-q2333151_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{tau}}, year = {2026}, url = {https://4ort.xyz/entity/tau-q2333151}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): tau — https://4ort.xyz/entity/tau-q2333151 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/tau-q2333151 · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 10d ago · MatSuBot bot · 2026-07-13 view diff on Wikidata ↗
    Instance of
    Described by source The Elliptic Functions As They Should Be
    Different from Tourist Association of Ukraine
    Aliases
    + 4 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-short:0||bn, tok */ import labels from sitelinks; cleanup"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.