mathjs
An extensive math library for JavaScript and Node.js with support for symbolic computation.
- Status
- Generally available
- Last checked
- Checked · Oct 12, 2026
- License
- Open source
- Pricing
- Free tier · from $0
What it is
MathJS is a powerful mathematics library for JavaScript and Node.js, offering advanced mathematical operations including symbolic computation. It's ideal for developers needing robust numerical capabilities in their applications.
MathJS stands out as a comprehensive math library for JavaScript developers, offering both symbolic and numerical computation capabilities without the need for external dependencies or cloud services.
When it fits — and when it doesn’t
A good fit for
Web developers who need to perform complex mathematical operations in their JavaScript applications.
Educational software developers requiring a robust math library with symbolic computation support.
Data analysts working on projects that require advanced numerical and symbolic processing.
Look elsewhere if
Projects needing real-time, high-performance numerical computations where speed is critical.
Applications that require heavy integration with specific frameworks not supported by MathJS.
Known weaknesses
Each one links to the public issue, changelog or docs page it came from, where we have one.
- 01
Limited performance for heavy numerical computations compared to specialized libraries like NumPy
MathJS is a general-purpose library and may not be optimized for specific high-performance use cases.
- 02
Documentation lacks depth in explaining advanced features
The documentation provides basic examples but lacks comprehensive guides on complex operations like symbolic computation.
- 03
Community and support are relatively smaller compared to more established libraries
The community size is limited, which can result in fewer contributions and slower response times for issues and feature requests.
What it does well
Support for symbolic computation and numerical operations.
Extensive mathematical functions including trigonometry, logarithms, and complex numbers.
Flexible expression parser with support for custom operators and functions.
Integration with JavaScript's native Math library.
Pricing
- Free tier
- YesOpen source — free to use
- Paid from
- $0
- Model
- Flat rate
- Enterprise plan
- No
Pricing not independently confirmed — check the vendor’s page.
Performance benchmarks
How Fast Is It?
Set up mathjs
Setup steps, common gotchas and what to check after 30 days.
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