I use Scheme (Bigloo, PLT/mzscheme) all the time, even if the project isn't in Scheme itself. If I hit a point where I know I don't fully understand the problem

I use Scheme (Bigloo, PLT/mzscheme) all the time, even if the project isn't in Scheme itself. If I hit a point where I know I don't fully understand the problem, I'll usually break out my Scheme stuff play around until I have a better grasp, and then redo it in whatever language/platform the project is in (right now, usually JavaScript.) I usually use an emacs cvs snapshot, with paredit and geiser http://git.hacks-galore.org/gitweb/jao?p=geiser.git;a=summary http://git.hacks-galore.org/gitweb/jao?p=geiser.git;a=summar...