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Casting out nines

Thing calculation Q1757155
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Summary

Casting out nines is a calculation[1]. It draws 144 Wikipedia views per month (calculation category, ranking #2 of 3).[2]

Key Facts

  • Casting out nines's instance of is recorded as calculation[3].
  • Casting out nines's maintained by WikiProject is recorded as WikiProject Mathematics[4].

Body

Definition and Type

Casting out nines's instance of is recorded as calculation[3].

Why It Matters

Casting out nines draws 144 Wikipedia views per month (calculation category, ranking #2 of 3).[2] It has Wikipedia articles in 13 language editions, a strong signal of global cultural recognition.[5] It is known by 19 alternative names across languages and contexts.[6]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [5] ↑ . Wikidata sitelinks. wikidata.org.
  3. [6] ↑ . Wikidata aliases. wikidata.org.

📑 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). Casting out nines. Retrieved October 14, 2026, from https://4ort.xyz/entity/casting-out-nines
MLA “Casting out nines.” 4ort.xyz Knowledge Graph, 4ort.xyz, 14 Oct. 2026, https://4ort.xyz/entity/casting-out-nines.
BibTeX @misc{4ortxyz_casting-out-nines_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Casting out nines}}, year = {2026}, url = {https://4ort.xyz/entity/casting-out-nines}, note = {Accessed: 2026-10-14}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Casting out nines — https://4ort.xyz/entity/casting-out-nines (retrieved 2026-10-14)

Canonical URL: https://4ort.xyz/entity/casting-out-nines · 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. 5w ago · VGMaintenanceBot bot · 2026-09-08 view diff on Wikidata ↗
    Instance of → —
    Wikidata description → —
    Aliases → —
    Instance of → calculation
    + 1 other property edited (see Wikidata diff for full list)
    "/* wbsetqualifier-add:1| */ Mediawiki page id: 8787, Add qualifier to Rosetta Code page ID `Casting_out_nines`"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.