Where Can I Find Free Software for Caustics/Cusps?

AI Thread Summary
Free software options for exploring caustics and cusps include a recommendation for a program available at dualheights.se, which allows for quick 2D plotting. Users are also encouraged to share any additional suggestions or resources. There is interest in writing a script for caustics in gfortran for those who prefer a custom solution. The discussion highlights the need for accessible tools in this area of study. Overall, the thread focuses on finding free resources and programming assistance for visualizing caustics and cusps.
dmacbeath
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Hello folks, I'm looking for a free programme to play with caustics/cusps.
Does anyone know where I can find one? If not does anyone have any suggestions as to how to write a script
for one in gfortran?
Preferably all I'm after is a way to make quick plots of cusps in 2D.

Cheers and thanks a bunch.
 
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