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JPlotter is an open source math plotter that can draw graphs of arbitrary mathematical functions. Some of the special features are plotting of the derivatives, area calculation, plotting of directional fields of differential equations and plotting of phase and amplitude graph of complex functions.
Perceptron is a video feedback engine with a variety of extraordinary graphical effects. Perceptron is an endless flow of transforming visuals.
Perceptron
* recursively transforms images and video streams in realtime and produces a combination of Julia fractals, IFS fractals, and chaotic patterns due to video feedback
* evolves geometric patterns into the realm of infinite details and deepens the thought
* records animations (movies)
* saves and opens presets...
JSynoptic renders information graphically. It can be used as a simple graph plotter, or as a complex run-time monitoring environment. The user sets up shapes (like plots) on graphical pages, and uses data sources (ex: ASCII file) to render information.
Seems to be closely related to Cellular automaton, except this creates a complex pattern from a mathematical function you input. See website for examples/live applets. This program makes use of an old GPL version of the JEP equation parser.
JFunctionViewer is a simple and fast OpenSource functionplotter. Since it is written in Java it is Platform independend and can even be run from inside a Browser.
MathGenius is a graphical tool intended to simplify your work in mathematics. By now it includes a graphical functionplotter, a mechanism (still in development) to derive functions, and an equation solver. An extension mechanism will be developed.