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HP-18C

Hewlett-Packard financial calculator
Class type of: financial calculator Q5635544

Facts

3 properties

Identity

Instance of
calculator
More facts +2
Subclass of
financial calculator[3]
Manufacturer
Hewlett-Packard[2]
🏷️ Also known as
en HP-18C
🔖 Identifiers · 4
Library of Congress Authorities ID
sh87000634
Image (Wikimedia Commons)
HP-18C Financial Calculator from Hewlett-Packard, introduced 1986 (image changed to plan view, improved colours).jpg ↗
Freebase ID
/m/03ck9_
J9U entity ID
987007536789705171

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🔗 Connections
Instance of 1
calculator
Manufacturer 1
Hewlett-Packard
Subclass of 1
financial calculator
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Summary

HP-18C is a calculator[1].

Related Entities

Hewlett-Packard

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . 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). HP-18C. Retrieved November 12, 2026, from https://4ort.xyz/entity/hp-18c
MLA “HP-18C.” 4ort.xyz Knowledge Graph, 4ort.xyz, 12 Nov. 2026, https://4ort.xyz/entity/hp-18c.
BibTeX @misc{4ortxyz_hp-18c_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{HP-18C}}, year = {2026}, url = {https://4ort.xyz/entity/hp-18c}, note = {Accessed: 2026-11-12}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): HP-18C — https://4ort.xyz/entity/hp-18c (retrieved 2026-11-12)

Canonical URL: https://4ort.xyz/entity/hp-18c · 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. 24w ago · Twofivesixbot bot · 2026-05-30 view diff on Wikidata ↗
    Instance of → calculator
    Commons category → HP-18C
    Freebase ID → /m/03ck9_
    Image → HP-18C Financial Calculator from Hewlett-Packard, introduced
    + 4 other properties edited (see Wikidata diff for full list)
    "Changed claim qualifiers: J9U entity ID: 987007536789705171, mv to monolingual text names on J9U statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.