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This looks very cool. I'm gonna be using this soon!

I am curious why you'd create a new scripting language for this, how is JS limiting for building these visualizations?

It grew out of Cinderella, which released its first commercial version in 1998, so JavaScript was only around a few years, and did not have the potential it does today. I found Cinderella about 5 years ago, and I like the way CindyJS has evolved for geometry and math needs.

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