I am playing with Eduardo Cavazos&#x27;s libraries with Chez [1], and particularly the port of xspringies. Great fun considering as he points out that the mass-spring calcs are all taking place in scheme. It runs fine on my 2-3 year old notebook.<p>C was a third language for me in the day, and I like Lisps, so this Lispy-C thing is going to eat my afternoon up!<p>[1]  <a href="https:&#x2F;&#x2F;github.com&#x2F;dharmatech?tab=repositories" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;dharmatech?tab=repositories</a>