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An easy-to-use online curve fitting tool

Details

External ID
45810086
Source
HN
Company
—
Product
An easy-to-use online curve fitting tool
Website domain
github.io
Launched
Nov. 4, 2025
Cohort
—
Upvotes
35
Upvotes percentile
0.7751091703056768
Tags
—
Fetched at
Sept. 7, 2026, 9:25 p.m.
Updated at
Sept. 7, 2026, 9:25 p.m.

Description

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.

Enrichment

Theme
specialized calculators and estimation tools
Vertical
Horizontal
Function
Analytics & BI
Audience
Prosumer
AI stance
Not AI
Project type
Commercial product
Normalized one-liner
online curve fitting tool
Manually corrected
False

Could you build this?

Yes An online curve-fitting interface can be built in the browser using existing JavaScript math libraries (such as math.js, regression-js, or Alglib WASM wrappers).

Discussion

15 comments analyzed.

Competitors mentioned: Desmos, NextGen Tools

Concerns raised: Assumes normally distributed errors without validation checks, Bootstrap confidence intervals invalid for non-IID sampling scenarios, Parameter estimates reported to excessive precision (16 decimals), File import functionality not working, Inadequate fit diagnostics and error estimates

Feature requests: Graphical or numerical checks for normality of residuals, Error estimates on fitted parameters, Error envelope visualization on plots, Auto-run all models and display best fit comparison, Input measurement errors for both x and y variables

Competitors

Other products that read as similar to this one — 73 launches clear the similarity bar, closest 8 shown.

Attention rank: #6 of 74 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).

Looks like the first mover among its competitors.

Other launches for this product

Same idea, different domain

Nobody's really built a analytics & bi tool for Legal yet.