ZeGrapher
A free and open source math plotter, easy to pick up
Free and open source software for plotting mathematical functions, sequences, parametric equations and data in the plane.
About this launch
ZeGrapher is a free and open source math plotter that draws mathematical objects in the plane. It supports functions written in natural notation, sequences defined by recurrence relations, parametric equations, and data imported from CSV files.
The application offers extensive customization options, including adjustable grids with ticks as multiples of expressions like π, separate subdivisions and colors for x and y axes, and export capabilities in vector formats (SVG, PDF) and images (PNG, JPEG, BMP, PPM). Users can navigate the graph by dragging to move and scrolling to zoom, with options to zoom individual axes.
ZeGrapher includes features for working with constants and variables that are shared across objects, allowing single values to drive families of curves. Constants can slide between bounds, be animated, or hold multiple values simultaneously to generate curve families. The application saves work automatically and includes built-in documentation in nine languages.
What it does
- Natural function notation like f(x) = 2 + cos(x)
- Sequences from recurrence relations
- Parametric equations with custom intervals
- CSV data import and spreadsheet editing
- Animated constants and variable families
- Vector and image exports (SVG, PDF, PNG, JPEG, BMP, PPM)
- Grid customization with π multiples for ticks
- Interactive navigation with drag and zoom
- Multi-language support in 9 languages
- Built-in manual and automatic work saving
Pricing
Pricing model: Open source
ZeGrapher has a free listing. The owner can unlock the full profile with a paid launch for $5:
- Founder story (locked)
- Milestones (locked)
- Demo video (locked)
- Dofollow website link (locked)
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