Q: What is Focal, and what devices was it used on?

A: Focal is a programming language primarily used on the HP-41 calculator, developed by Hewlett-Packard. It is distinct from the unrelated FOCAL language.

Q: How does Focal differ from FOCAL?

A: Focal is specifically associated with the HP-41 calculator and is sometimes referred to as "Focal (HP-41)." It is distinct from the unrelated FOCAL programming language.

Q: Is Focal still in use today?

A: Focal was primarily used on the HP-41 calculator, which was discontinued in the 1990s. As such, it is no longer widely used.

Q: Who developed Focal?

A: Focal was developed by Hewlett-Packard, the same company that created the HP-41 calculator.

Q: What was Focal originally called?

A: Focal was originally known as the "Forty One Calculator Language" or "Focal (HP-41)."

Focal

programming language

Place programming_language Q1389363

Facts

3 properties

Instance of: programming language
Country: United States^[2]
Different from: FOCAL^[3]

🏷️ Also known as

en Focal en Forty One Calculator Language de Focal (HP-41) de FOCAL (HP-41)

🔖 Identifiers · 1

Google Knowledge Graph ID: /g/11bc5trxj7

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🔗 Connections

Country 1

United States

Different from 1

FOCAL

Instance of 1

programming language

← Different from 1

FOCAL

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Summary

Focal is a programming language^[1].

⭐ Popularity Graph

4/100 long tail

🌐 Wiki Languages

2 / 428 langs

📈 Wikipedia Views · last 12 months

69 views trend: hourly, last 3h

🌐 Available in 2 languages

enFOCAL (Hewlett-Packard) deFOCAL (HP-41)

References

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

Direct Wikidata claims

Class ancestry

[1] ↑ Focal is an instance of programming language (Q9143) [P31, primary]. 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). Focal. Retrieved November 4, 2026, from https://4ort.xyz/entity/focal-q1389363

MLA “Focal.” 4ort.xyz Knowledge Graph, 4ort.xyz, 4 Nov. 2026, https://4ort.xyz/entity/focal-q1389363.

BibTeX

@misc{4ortxyz_focal-q1389363_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Focal}}, year = {2026}, url = {https://4ort.xyz/entity/focal-q1389363}, note = {Accessed: 2026-11-04}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Focal — https://4ort.xyz/entity/focal-q1389363 (retrieved 2026-11-04)

Canonical URL: https://4ort.xyz/entity/focal-q1389363 · Last refreshed: November 4, 2026