# muParser

> Library for parsing mathematical expressions

**Wikidata**: [Q131316544](https://www.wikidata.org/wiki/Q131316544)  
**Source**: https://4ort.xyz/entity/muparser

## Summary
muParser is a software library designed for parsing mathematical expressions. It allows a program to take a mathematical formula provided as a string and evaluate it. It is an open-source component intended to be integrated into other software.

## Key Facts
- **Type:** Software library
- **Purpose:** Parsing and evaluating mathematical expressions
- **License:** MIT License
- **Latest Stable Version:** 2.3.5 (released December 13, 2024)
- **Source Code Repository:** https://github.com/beltoforion/muparser
- **Official Website:** http://beltoforion.de/en/muparser
- **Package Availability:** Available in repositories for Gentoo (dev-cpp/muParser), MacPorts (muparser), and Homebrew (muparser).

## FAQs
### Q: What is muParser used for?
A: muParser is a software component used to parse and evaluate mathematical formulas that are represented as text strings. Developers can integrate this library into their applications to handle dynamic mathematical calculations without writing their own parser.

### Q: What license does muParser use?
A: muParser is distributed under the MIT License, a permissive open-source license.

### Q: Where is the source code for muParser located?
A: The source code for muParser is hosted in a Git repository on GitHub at https://github.com/beltoforion/muparser.

## Why It Matters
muParser solves the common but complex problem of evaluating mathematical expressions at runtime. In many scientific, engineering, and data analysis applications, users need to input their own formulas as text. Instead of requiring developers to build a custom, error-prone parser from scratch, muParser provides a ready-made, robust solution.

Its role as a specialized library simplifies software development, allowing programmers to focus on their application's core logic rather than the intricacies of parsing algorithms. The use of a permissive MIT License and its availability across multiple platforms via package managers like Homebrew and MacPorts make it a highly accessible and versatile tool. It enables applications to offer powerful, flexible, and user-driven calculation capabilities.

## Notable For
- **Focused Functionality:** The library is specifically designed for one task: parsing mathematical expressions, making it a specialized and efficient tool for this purpose.
- **Permissive Licensing:** It is distributed under the MIT License, which allows for broad use in both open-source and proprietary commercial software with minimal restrictions.
- **Cross-Platform Support:** The library is packaged for various systems, including Gentoo, macOS (via MacPorts and Homebrew), indicating its portability and ease of integration across different development environments.
- **Long-Term Development:** The project has a history of stable releases spanning several years, as evidenced by version releases from 2015 to 2024.

## Body
### Overview
muParser is a non-tangible, executable software component classified as a library. Its primary function is to parse mathematical expressions provided as text strings.

### Licensing and Distribution
- **License:** The library is made available under the terms of the MIT License.
- **Source Code:** The official source code repository is hosted on GitHub: `https://github.com/beltoforion/muparser`.
- **Website:** The project's official website is `http://beltoforion.de/en/muparser`.
- **Project Identifiers:** The library is also tracked on SourceForge under the project name `muparser` and has the SWATH Work ID `26166`.

### Version History
The structured data indicates several stable releases, including:
- **Version 2.2.5:** Released on August 16, 2015.
- **Version 2.3.2:** Released on June 16, 2020.
- **Version 2.3.4:** Released on November 15, 2022.
- **Version 2.3.5:** The preferred stable version, released on December 13, 2024.

### Platform Integration
muParser is available through several platform-specific package managers, which simplifies its installation and integration into development projects.
- **Gentoo:** `dev-cpp/muParser`
- **Homebrew:** `muparser`
- **MacPorts:** `muparser`

## References

1. [Release 2.2.5. 2015](https://github.com/beltoforion/muparser/releases/tag/v2.2.5)
2. [Release 2.3.2. 2020](https://github.com/beltoforion/muparser/releases/tag/v2.3.2)
3. [Release 2.3.4. 2022](https://github.com/beltoforion/muparser/releases/tag/v2.3.4)
4. [Release 2.3.5. 2024](https://github.com/beltoforion/muparser/releases/tag/v2.3.5)