APL

functional, symbolic programming language for operating on multidimensional arrays
Place array_programming_language Q296187
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APL

Summary

APL is an array programming language[1]. APL draws 483 Wikipedia views per month (array_programming_language category, ranking #1 of 6).[2]

Key Facts

  • APL's instance of is recorded as array programming language[3].
  • APL's instance of is recorded as functional programming language[4].
  • APL's instance of is recorded as structured programming language[5].
  • APL's instance of is recorded as modular programming language[6].
  • APL's instance of is recorded as multi-paradigm programming language[7].
  • APL's instance of is recorded as interpreted language[8].
  • APL's instance of is recorded as ISO standard[9].
  • APL's developer is recorded as Kenneth E. Iverson[10].
  • APL's developer is recorded as IBM[11].
  • APL's developer is recorded as Lawrence M. Breed[12].
  • APL's designed by is recorded as Kenneth E. Iverson[13].
  • APL's Commons category is recorded as APL (programming language)[14].
  • APL's archives at is recorded as Computer History Museum[15].
  • January 1, 1966 marks the founding of APL[16].
  • APL's IPA transcription is recorded as æpl̩[17].
  • APL's IPA transcription is recorded as eɪ.piː.ɛl[18].
  • APL's topic's main category is recorded as Category:APL programming language family[19].
  • APL's described at URL is recorded as http://www.computerhistory.org/atchm/the-apl-programming-language-source-code/[20].
  • APL's described at URL is recorded as http://www.quadibloc.com/comp/aplint.htm[21].
  • APL's described at URL is recorded as https://www.aplwiki.com/[22].
  • APL's Stack Exchange tag is recorded as https://stackoverflow.com/tags/apl[23].
  • APL's different from is recorded as Address programming language[24].
  • APL's programming paradigm is recorded as array programming[25].
  • APL's programming paradigm is recorded as structured programming[26].
  • APL's programming paradigm is recorded as functional programming[27].

Body

Designation and Status

Recorded instance of include array programming language[3], functional programming language[4], structured programming language[5], modular programming language[6], multi-paradigm programming language[7], and interpreted language[8].

History and Context

January 1, 1966 marks the founding of APL[16].

Why It Matters

APL draws 483 Wikipedia views per month (array_programming_language category, ranking #1 of 6).[2] APL has Wikipedia articles in 26 language editions, a strong signal of global cultural recognition.[28] APL is known by 28 alternative names across languages and contexts.[29]

APL has been cited as an influence by Go[30], a programming language[31], founded in 2009[32]; Python[33], an object-based language[34], founded in 1991[35]; Forth[36], a programming language[37], founded in 1970[38]; Raku[39], a programming language[40], founded in 2015[41]; Wolfram Language[42], a programming language[43], founded in 1988[44]; and J[45], a functional programming language[46], founded in 1990[47].

FAQs

Who did APL influence?

APL has been cited as an influence by Go[30], Python[33], Forth[36], and Raku[39].

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.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [30] . wikidata.org. → on this site
  2. [33] . wikidata.org. → on this site
  3. [36] . wikidata.org. → on this site
  4. [39] . wikidata.org. → on this site
  5. [42] . wikidata.org. → on this site
  6. [45] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [31] . Wikidata. wikidata.org. → on this site
  2. [32] . Wikidata. wikidata.org. → on this site
  3. [34] . Wikidata. wikidata.org. → on this site
  4. [35] . Wikidata. wikidata.org. → on this site
  5. [37] . Wikidata. wikidata.org. → on this site
  6. [38] . Wikidata. wikidata.org. → on this site
  7. [40] . Wikidata. wikidata.org. → on this site
  8. [41] . Wikidata. wikidata.org. → on this site
  9. [43] . Wikidata. wikidata.org. → on this site
  10. [44] . Wikidata. wikidata.org. → on this site
  11. [46] . Wikidata. wikidata.org. → on this site
  12. [47] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] . Wikidata sitelinks. wikidata.org.
  3. [29] . 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). APL. Retrieved May 3, 2026, from https://4ort.xyz/entity/apl
MLA “APL.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/apl.
BibTeX @misc{4ortxyz_apl_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{APL}}, year = {2026}, url = {https://4ort.xyz/entity/apl}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): APL — https://4ort.xyz/entity/apl (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/apl · 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. 2d ago · Twofivesixbot bot · 2026-05-19 view diff on Wikidata ↗
    Freebase id /m/0q1d
    Programming paradigm
    Library of congress authority id sh85005991
    Stack exchange tag
    + 55 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|5 */ [[Property:P2347]]: 10566, mv to monolingual text names on YSO statements"
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