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Eckert IV projection

equal-area pseudocylindrical map projection devised by Max Eckert-Greifendorff
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Eckert IV projection

Summary

Eckert IV projection is a map projection[1]. It draws 124 Wikipedia views per month (map_projection category, ranking #8 of 27).[2]

Key Facts

  • Eckert IV projection's instance of is recorded as map projection[3].
  • Eckert IV projection's instance of is recorded as Eckert projection[4].
  • Eckert IV projection's Commons category is recorded as Maps with Eckert IV projection[5].
  • Eckert IV projection's Freebase ID is recorded as /m/0j64zys[6].
  • Eckert IV projection's defining formula is recorded as p(x+0)=(x+0)^3 -7(x+0) + 7\Rightarrow p(x+0)=x^3 -7x + 7 , v_0=2[7].
  • Eckert IV projection's maintained by WikiProject is recorded as WikiProject Mathematics[8].
  • Eckert IV projection's Microsoft Academic ID is recorded as 2776941419[9].

Why It Matters

Eckert IV projection draws 124 Wikipedia views per month (map_projection category, ranking #8 of 27).[2] It has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[10]

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [10] ↑ . Wikidata sitelinks. 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). Eckert IV projection. Retrieved May 3, 2026, from https://4ort.xyz/entity/eckert-iv-projection
MLA “Eckert IV projection.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/eckert-iv-projection.
BibTeX @misc{4ortxyz_eckert-iv-projection_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Eckert IV projection}}, year = {2026}, url = {https://4ort.xyz/entity/eckert-iv-projection}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Eckert IV projection — https://4ort.xyz/entity/eckert-iv-projection (retrieved 2026-05-03)

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