It's been about 15 years[1] since I last spent a lot of time with Scheme, but yes. As others have mentioned, the author could've done a better job with variable

It's been about 15 years[1] since I last spent a lot of time with Scheme, but yes. As others have mentioned, the author could've done a better job with variable names, and syntax highlighting would do a world of good, but the code itself looks pretty understandable. If you're not using DrRacket, then please start using it. I learned what was then Scheme from SICP[2], but I've heard that the Little Schemer is perhaps a bit more approachable. Try starting with it[3]. [1] That moment when you realize it's been over fifteen years since you started college...Yeesh. [2] https://en.wikipedia.org/wiki/Structure_and_Interpretation_of_Computer_Programs https://en.wikipedia.org/wiki/Structure_and_Interpretation_o... [3] http://stackoverflow.com/questions/13003850/little-schemer-and-racket http://stackoverflow.com/questions/13003850/little-schemer-a...