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Show HN: An easy-to-use online curve fitting tool

Show HN: An easy-to-use online curve fitting tool

2 comments

·November 4, 2025

This is a powerful online curve fitting tool that supports fitting dozens of commonly used functions and implicit functions. It features a clean interface and simple operation. If you need to perform curve fitting but don't want to learn professional software like Matlab or Origin, you can try this tool.

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okramcivokram

It'd be nice if there was some demo data because I might want to play with it to see how it works, but don't have any data to use it on.

okramcivokram

I've now tried it by adding a bunch of random points and I find it very cool! It can make curves fit very snugly. Maybe enhance it by a mode that runs all the models and shows you which one has the least errors/best fit.