# ZeGrapher v4

> Free and open source math plotter for functions, sequences, and data.

- Website: https://zegrapher.com
- Category: Other
- Launched on RankRoot: 2026-10-21
- Visitors sent by RankRoot: 0
- Show HN discussion: https://news.ycombinator.com/item?id=50189022

## About

ZeGrapher is a free and open-source math plotting software that draws functions, sequences, parametric equations, and data in the plane. It enables users to visualize mathematical expressions written naturally, utilize animated constants, and export vector or image files. The app saves user work automatically and includes a built-in manual available in nine languages.

## Who it's for

Students, educators, and mathematicians looking for an open-source math plotting tool.

## Use cases

- Drawing mathematical functions and parametric equations
- Plotting sequences from recurrence relations
- Importing and editing CSV data up to several million cells
- Exporting graphs to vector or image formats

## Features

- Draws functions written like standard paper notation
- Plots sequences from recurrence relations including first terms
- Shares constants and variables across objects for curve families
- Imports and edits CSV data in a spreadsheet-like table
- Customizable grid ticks and subdivisions with expression multiples
- Exports to vector and image formats with specified physical dimensions

## FAQ

### What does ZeGrapher do?

ZeGrapher draws mathematical objects in the plane including functions, sequences, parametric equations, and imported data.

### Who is ZeGrapher for?

It is for anyone needing to plot and analyze mathematical functions, sequences, and data sets.

### How much does ZeGrapher cost?

ZeGrapher is free and open source.

### What formats can ZeGrapher export to?

It exports to vector formats like SVG and PDF, or image formats like PNG, JPEG, BMP, and PPM.

### Does ZeGrapher support CSV data import?

Yes, you can import data from CSV files and edit it in a spreadsheet-like table.


Source: https://getrankroot.com/launches/zegrapher-v4. Product facts come from the maker or the product's own website.