mathjs

An extensive math library for JavaScript and Node.js with support for symbolic computation.

EstablishedOpen SourceLow lock-in

Pricing

Free tier

Flat rate

Adoption

Stable

License

Open Source

Data freshness

Aging · Jun 8, 2026

Overview

What is mathjs?

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.

Key differentiator

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.

Capability profile

Capability Radar

Ease of StartEcosystemValueMaturityFlexibilityScale Ready

Honest assessment

Strengths & Weaknesses

↑ Strengths

Support for symbolic computation and numerical operations.medium

Extensive mathematical functions including trigonometry, logarithms, and complex numbers.medium

Flexible expression parser with support for custom operators and functions.medium

Integration with JavaScript's native Math library.medium

↓ Weaknesses

Limited performance for heavy numerical computations compared to specialized libraries like NumPyhigh

MathJS is a general-purpose library and may not be optimized for specific high-performance use cases.

Documentation lacks depth in explaining advanced featuresmedium

The documentation provides basic examples but lacks comprehensive guides on complex operations like symbolic computation.

Community and support are relatively smaller compared to more established librarieslow

The community size is limited, which can result in fewer contributions and slower response times for issues and feature requests.

Fit analysis

Who is it for?

✓ Best 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.

✕ Not a fit for

Projects needing real-time, high-performance numerical computations where speed is critical.

Applications that require heavy integration with specific frameworks not supported by MathJS.

Cost structure

Pricing

Free Tier

Available

Open source — free to use

Starts at

$0

Model

Flat rate

Enterprise

None

Performance benchmarks

How Fast Is It?

Ecosystem

Relationships

Next step

Get Started with mathjs

Step-by-step setup guide with code examples and common gotchas.

View Setup Guide →