Overview: Devised in the late 60s by Papert and his colleagues at MIT as an educational aid for children, Logo is a subset of LISP and can be used as a serious programming language. Indeed, Burke and Genise's (1987) undergraduate text exclusively uses Logo to explain fundamental principles of computer science, and Shafer's (1986) book on Macintosh AI programming is based on Logo. Logo is compact, making it an excellent vehicle for exploring AI on a PC. A version of Logo exists for virtually every major brand of desktop computer, with versions in most cases marketed by the computer manufacturer.

Logo is best known for graphics; the user programs a cursor (called a "turtle") to draw figures on the screen. Graphics aside, Logo has a number of list manipulation functions (in a syntax that is more friendly than LISP's) that make it ideal for AI applications, and random number generating functions that make it suitable for simulations. Goldenberg and Feurzeig (1987) show how Logo can be used to explore computational linguistics, and Harvey's three volumes (1985, 1986, 1987) give a wide range of other applications and projects. (Reference: LANGUAGES OF AI by Joseph Schmuller, September/October 1991, page 22)

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