Polynomial Interpolation Web GUI with GeoGebra

You can add points via the menu, then click Interpolate to show the interpolation polynomial function.

Formula
Link to WolframAlpha showing more details on the polynomial: Link
(Link opens in new tab; WolframAlpha sometimes pretends to recognize a "SyntaxError" if the input is just too long.)

Load & Save

Browser support

Every up-to-date browser including Microsoft Edge. The code makes use of ES modules, thus IE 11 is not supported.

References

Official GeoGebra Applet scripting reference
Polynomial interpolation polynomial

Author

ComFreek, you can find me on GitHub logo

github.com/ComFreek