http://en.wikipedia.org/wiki/DrRacket http://en.wikipedia.org/wiki/DrRacket - DrRacket is a Scheme (LISP) implementation. http://racket-lang.org/ http://racke

http://en.wikipedia.org/wiki/DrRacket http://en.wikipedia.org/wiki/DrRacket - DrRacket is a Scheme (LISP) implementation. http://racket-lang.org/ http://racket-lang.org/ http://www.ccs.neu.edu/home/matthias/HtDP2e/part_one.html http://www.ccs.neu.edu/home/matthias/HtDP2e/part_one.html - here is a good book about how to design functional programs using DrRacket. https://www.coursera.org/course/programdesign https://www.coursera.org/course/programdesign - here is a course on Coursera that uses DrRacket and the above as a textbook.