JS Calculator

Notebook-style scientific math powers in your browser

A scientific calculator extension available on ...

Add to Chrome Add to Edge
Basic Math Functions Units Symbolic
JS Calc Extension Screenshot

Unlock Powerful Math Tools

Numerical & Unit Mastery

From arithmetic and complex numbers to matrices and unit conversions, powered by Math.js.

Numerical and Unit Calculation Example
Symbolic Calculation Example

Symbolic Powerhouse

Solve equations, differentiate, integrate, factor polynomials, and more with Nerdamer.js.

Intuitive & Customizable

Clean UI, persistent history, pop-out window (detach from browser), and customizable display options.

Intuitive UI and Customization Example
Learn More in the Documentation

Why Choose JS Calc?

  • all_inclusive

    Powerful Combination

    The best of Math.js for numbers and Nerdamer.js for symbols.

  • design_services

    User-Centric Design

    Clean interface, persistent state, and helpful workflow features.

  • rocket_launch

    Convenient & Fast

    Always available in your browser, no need for bulky desktop software.

  • palette

    Customizable

    Tailor the look and feel with font and display options.

  • offline_bolt

    Works Offline & Leverages Open Source

    Built with a passion for accessible math tools.

Ready to Elevate Your Calculations?

Get JS Calc on Chrome Get JS Calc on Edge