About 3D Graphing Calculator
3DGraphingCalculator.com is a free, privacy-first educational tool that renders 3D mathematical surfaces directly in your browser. No data leaves your device.
What this calculator does
- Plot any function of the form
z = f(x, y)in real time - Rotate, zoom, and pan the 3D surface with mouse or touch
- Adjust x and y ranges and sampling density for precision
- Export graphs as PNG images for worksheets and presentations
- Copy the formula as plain text or LaTeX for papers and notes
- Embed interactive graphs in lessons, LMS pages, and blog posts
Why we built it
Most 3D graphing tools require accounts, uploads, or server-side computation. We built this calculator so that anyone can explore multivariable calculus without barriers. Every graph page includes a teacher prompt, formula copy, and embed code to make it useful in real classrooms.
The calculator is powered by Three.js for WebGL rendering and math.js for expression evaluation — both running entirely in the browser.
Technical details
- Rendering: WebGL via Three.js with vertex-colored surface meshes
- Formula parsing: math.js expression compiler
- Export: Canvas-based PNG capture, plain text, LaTeX
- Embedding: iframe with URL state persistence
- Privacy: No cookies, no accounts, no server processing of formulas
- Accessibility: Keyboard-navigable controls, screen reader labels
License and usage
The 3D Graphing Calculator is free to use for educational and personal purposes. Teachers may embed graphs in course materials, worksheets, and LMS pages. If you redistribute exported images or embed widgets, please include a link back to 3dgraphingcalculator.com.
Contact
For questions, bug reports, or feature suggestions, reach out through the project repository.
Start exploring
Jump into the calculator or browse the example library.