Computational Notebook
Think in cells. Mix notes with live computation — symbolic calculus, equation solving, and matrix algebra — the way you would in a research notebook, but in your browser.
Notebookcommands: diff · int · simplify · solve · det · inv · or any expression
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How it works
Each compute cell is interpreted by PolySim's symbolic engine and linear-algebra core. Use commands like diff, int, simplify, solve, det, and inv, or type any expression to evaluate it. Import a CSV to bring in data, and export the whole notebook as text. Everything runs locally — no kernel to install.
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Frequently asked questions
Is this computational notebook tool really free?▾
Yes. Computational Notebook runs entirely in your browser using your device's own compute, so local use is free forever. You only pay Compute Tokens if you scale a job to the cloud.
Do I need to install anything?▾
No. Everything runs client-side in a modern browser — no downloads, no license, no account required to start.
Can I save or share my simulation?▾
Create a free account to save projects, and use a shareable embed or minted DOI to publish a live, interactive version anywhere.
How accurate are the results?▾
The solver uses established numerical methods, but results are for research and educational purposes and should be validated against experiment or professional review before you rely on them.