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Many folks are new to Scheme and some are new to functional programming.
Many universities teach Scheme as an introductory programming language, so a search on the World Wide Web should turn up lots of tutorial material, if that's what you're looking for. The Little Schemer by Daniel P. Friedman, et al. Perhaps this section can become a collection of links to CPU vendors' reference documentation. Please send suggestions and amendments to the mailing list . The GCC project reading list contains a good list.