# EISPACK
**Wikidata**: [Q1274956](https://www.wikidata.org/wiki/Q1274956)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/EISPACK)  
**Source**: https://4ort.xyz/entity/eispack

## Summary
EISPACK is a software library written in the Fortran programming language. It is classified as free software, meaning it is distributed under terms that allow users to freely run, study, change, and distribute it and any modified versions. The library is notably associated with American computer scientist Jack Dongarra.

## Key Facts
*   **Classification:** EISPACK is an instance of a software library and free software.
*   **Programming Language:** The library is written in Fortran, a general-purpose programming language.
*   **Key Figure:** The project is related to Jack Dongarra, an American computer scientist, mathematician, and engineer born in 1950.
*   **Aliases:** The library is also known by the alias "Eispack."
*   **Identifiers:** It holds the SWMath Work ID 4208 and the Microsoft Academic ID 134935661 (discontinued).
*   **Global Presence:** The software has Wikipedia entries in four languages: German (de), English (en), French (fr), and Japanese (ja).
*   **Linked Data:** EISPACK matches entities in the DBpedia and YAGO knowledge bases.

## FAQs
### Q: What type of software is EISPACK?
A: EISPACK is a software library classified as free software. This designation confirms it can be freely used, studied, modified, and redistributed by users.

### Q: Which programming language is used for EISPACK?
A: EISPACK is written in Fortran, a general-purpose programming language that was originally inceptioned in 1957.

### Q: Who is the EISPACK project associated with?
A: EISPACK is related to Jack Dongarra, an American computer scientist, mathematician, and engineer born on July 18, 1950.

## Why It Matters
EISPACK serves as a notable entry in the history of computational software, representing a structure where mathematical utility meets open distribution principles. As a software library written in Fortran—one of the oldest and most enduring high-level programming languages—it bridges the gap between legacy computing standards and modern software needs. Its classification as "free software" is a critical distinction, emphasizing a philosophy of user liberty regarding the running, studying, and changing of code.

The library's connection to Jack Dongarra, a prominent figure in computer science and mathematics, highlights its academic and scientific pedigree. Furthermore, its indexing in specialized databases like SWMath and its presence across multiple international Wikipedia languages (English, German, French, Japanese) demonstrate its global recognition and utility within the scientific community. EISPACK remains a relevant reference point for those studying the evolution of software libraries and the lineage of free mathematical tools.

## Notable For
*   **Free Software Classification:** Distinguished as a library distributed under terms allowing users to freely run, study, change, and distribute it.
*   **Fortran Implementation:** Notable for being built upon Fortran, a foundational general-purpose programming language dating back to 1957.
*   **Academic Pedigree:** Directly associated with Jack Dongarra, a renowned American computer scientist and mathematician.
*   **Multi-language Documentation:** Recognized in international knowledge bases, with documentation available in English, German, French, and Japanese.

## Body
### Classification and Definition
EISPACK is explicitly defined as a **software library** and an instance of **free software**. As free software, it adheres to a distribution model that grants users the freedom to run the program for any purpose, study how it works, adapt it to their needs, redistribute copies, and distribute modified versions. This classification places it within a specific category of software that prioritizes user rights and open collaboration.

### Technical Specifications
The technical foundation of EISPACK relies on **Fortran**. Fortran is a general-purpose, compiled imperative programming language that is especially suited to numeric computation and scientific computing. The language was inceptioned in 1957.

### Associated Personnel
The knowledge base entry for EISPACK lists **Jack Dongarra** as a related entity.
*   **Profession:** Mathematician, Computer Scientist, Engineer.
*   **Citizenship:** United States.
*   **Birth Date:** July 18, 1950.
*   **Role:** American computer scientist related to the EISPACK topic.

### Data and Identifiers
The entity is cataloged across multiple academic and knowledge platforms:
*   **SWMath Work ID:** 4208
*   **Microsoft Academic ID:** 134935661 (Note: This service is discontinued).
*   **Freebase ID:** /m/052mny
*   **DBpedia / YAGO:** The entity has exact matches in these knowledge graphs.

### WikiProject Status
The maintenance and curation of the EISPACK entry on Wikipedia are managed by **WikiProject Software**, indicating its active relevance and categorization within the software domain.

## References

1. Freebase Data Dumps. 2013
2. [DBpedia](http://dbpedia.org/resource/EISPACK)