Chaos is a simple 2D iterated function system plotter.
Create a file called demo.ch that contains:
4
0.01 0.85 0.07 0.07
4 3
0.0 0.0 0.5
0.85 0.64 0.075
0.2 -0.26 0.4
-0.15 0.28 0.575
4 3
0.0 0.16 0.0
-0.04 0.85 0.18
0.23 0.22 0.045
0.26 0.24 -0.086
Then open Chaos, click File->Open and open the previous file.
Drag a slider called Speed to 10.
Then you will see: