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Casio fx-991ES PLUS

advanced scientific calculator with 417 functions and natural textbook display
Place calculator_model Q20062975
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Casio fx-991ES PLUS

Summary

Casio fx-991ES PLUS is a calculator model[1].

Key Facts

  • Casio fx-991ES PLUS's image is recorded as Fx991esplus.png[2].
  • Casio fx-991ES PLUS's instance of is recorded as calculator model[3].
  • Casio fx-991ES PLUS's manufacturer is recorded as Casio[4].
  • Casio fx-991ES PLUS's subclass of is recorded as scientific calculator[5].
  • Casio fx-991ES PLUS's Commons category is recorded as Casio fx-991ES PLUS[6].
  • Casio fx-991ES PLUS's language of work or name is recorded as English[7].
  • +2008-00-00T00:00:00Z marks the founding of Casio fx-991ES PLUS[8].
  • Casio fx-991ES PLUS's source of energy is recorded as solar cell[9].
  • Casio fx-991ES PLUS's source of energy is recorded as LR44 batteries[10].
  • Casio fx-991ES PLUS's described at URL is recorded as https://edu.casio.com/products/ntd/fx991esplus/[11].
  • Casio fx-991ES PLUS's brand is recorded as Casio[12].
  • Casio fx-991ES PLUS's length is recorded as {'unit': 'http://www.wikidata.org/entity/Q174789', 'amount': '+162'}[13].
  • Casio fx-991ES PLUS's height is recorded as {'unit': 'http://www.wikidata.org/entity/Q174789', 'amount': '+11.1'}[14].
  • Casio fx-991ES PLUS's width is recorded as {'unit': 'http://www.wikidata.org/entity/Q174789', 'amount': '+80'}[15].
  • Casio fx-991ES PLUS's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q41803', 'amount': '+95'}[16].
  • Casio fx-991ES PLUS's user manual URL is recorded as http://support.casio.com/storage/en/manual/pdf/EN/004/fx-570_991ES_PLUS_EN.pdf[17].

Body

Physical Characteristics

Casio fx-991ES PLUS's length is recorded as {'unit': 'http://www.wikidata.org/entity/Q174789', 'amount': '+162'}[13].

Designation and Status

Casio fx-991ES PLUS's instance of is recorded as calculator model[3].

History and Context

+2008-00-00T00:00:00Z marks the founding of Casio fx-991ES PLUS[8].

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. 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). Casio fx-991ES PLUS. Retrieved May 3, 2026, from https://4ort.xyz/entity/casio-fx-991es-plus
MLA “Casio fx-991ES PLUS.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/casio-fx-991es-plus.
BibTeX @misc{4ortxyz_casio-fx-991es-plus_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Casio fx-991ES PLUS}}, year = {2026}, url = {https://4ort.xyz/entity/casio-fx-991es-plus}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Casio fx-991ES PLUS — https://4ort.xyz/entity/casio-fx-991es-plus (retrieved 2026-05-03)

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