Q: What does the name TRURL stand for?

A: TRURL is a recursive acronym that stands for "TRURL is a Reusable Universal RPN Library." This naming convention is common in the software industry (similar to GNU or PHP).

Q: What is TRURL used for?

A: TRURL is a class library used by software developers to create virtual Reverse Polish Notation (RPN) calculators. It provides the underlying logic and structure needed to build these specific types of calculator applications.

Q: Is TRURL free to use?

A: Yes, TRURL is classified as free software distributed under BSD licenses. This allows users to freely run, study, change, and distribute the software and its modified versions.

Q: What programming language is TRURL written in?

A: TRURL is written in Object Pascal, an object-oriented branch of the Pascal programming language.

TRURL

Class library for the development of virtual RPN calculators

Place software_library Q111421081

Facts

8 properties

Instance of: software library, free software^[2]
Publication date: June 24, 2019^[7]
License: BSD licenses
Programming language: Pascal, Object Pascal
Short name: TRURL^[8]
Copyright license: BSD licenses^[4]
Developer: Johannes W. Dietrich^[3]
Programmed in: Pascal, Object Pascal^[5]^[6]

🏷️ Also known as

en TRURL

🔖 Identifiers · 4

OpenAlex ID

W6968718059as of 2026-09-23

where from?

Source: OpenAlex
Edition: 20260923 · as of 2026-09-23
Licence: CC0 1.0 Universal
Bronze: not in the catalog
Transform: 4ort-mint · openalex:20260923 · version not recorded

DOI

10.5281/ZENODO.3257689

Source code repository URL

sourceforge.net

SourceForge project

trurl

Report an error or request removal Lineage (PROV-JSON)

📜 Data licence

Source: OpenAlex (openalex.org), snapshot of 2026-09-23. CC0 1.0 Universal. CC0 1.0 Universal · OpenAlex

🔗 Connections

Instance of 2

free software, software library

BSD licenses

Programmed in 1

Object Pascal

Press Enter · cited answer in seconds

Summary

TRURL is a software library^[1].

References

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

Direct Wikidata claims

[2] ↑ TRURL — instance of (P31): free software. wikidata.org.
[3] ↑ TRURL — developer (P178): Johannes W. Dietrich. wikidata.org.
[4] ↑ TRURL — copyright license (P275): BSD licenses. sourceforge.net. sourceforge.net. Provenance: wikidata.org.
[5] ↑ TRURL — programmed in (P277): Pascal. wikidata.org.
[6] ↑ TRURL — programmed in (P277): Object Pascal. wikidata.org.
[7] ↑ TRURL — publication date (P577): June 24, 2019. sourceforge.net. sourceforge.net. Provenance: wikidata.org.
[8] ↑ TRURL — short name (P1813): {'lang': 'en', 'text': 'TRURL'}. wikidata.org.

Class ancestry

[1] ↑ TRURL is an instance of software library (Q188860) [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). TRURL. Retrieved October 20, 2026, from https://4ort.xyz/entity/trurl

MLA “TRURL.” 4ort.xyz Knowledge Graph, 4ort.xyz, 20 Oct. 2026, https://4ort.xyz/entity/trurl.

BibTeX

@misc{4ortxyz_trurl_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{TRURL}}, year = {2026}, url = {https://4ort.xyz/entity/trurl}, note = {Accessed: 2026-10-20}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): TRURL — https://4ort.xyz/entity/trurl (retrieved 2026-10-20)

Canonical URL: https://4ort.xyz/entity/trurl · Last refreshed: October 20, 2026