Dictionary.net

/siks dub*l oh wun/, /dub*l oh wun/ or rarely/siks dub*l oh fun/ MIT's introductory computer class formajors, known for its intensity. Developed by GeraldSussman and Hal Abelson, the course is taught in Schemeand introduces recursion, higher-order functions,object-oriented programming and much more. Students whograsp the metacircular interpreter gain entry into theKnights of the Lambda-Calculus. 6.001 has been exported toseveral other colleges, sometimes successfully. The textbook,"Structure and Interpretation of Computer Programs", writtenwith Julie Sussman is a classic that can be found on theshelves of many computer scientists, whether they took thecourse or not. Legendary characters from the class, problemsets, and book include the wise Alyssa P. Hacker, BenBitdiddle, Lem E. Tweakit and Eva Lu Ator, the careless LouisReasoner and Captain Abstraction.