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TI Logo II

TI Logo II

SystemTI 99

Texas Instruments

TI 99

Release Date: 1/1/1983
Manufacturer: Texas Instruments
Logo is a multi-paradigm computer programming language used in education. It is an adaptation and dialect of the Lisp language; some have called it Lisp without the parentheses. It was originally conceived and written as functional programming language and drove a mechanical turtle as an output device. It also has significant facilities for handling lists, files, I/O, and recursion. Today it is remembered mainly for its turtle graphics, though for tertiary level teaching it has been superceeded by Scheme, and scripting languages.

Logo was created in 1967 for educational use, more so for constructivist teaching, by Daniel G. Bobrow, Wally Feurzeig, Seymour Papert and Cynthia Solomon. The name is derived from the Greek logos meaning word, emphasising the contrast between itself and other existing programming languages that processed numbers. It can be used to teach most computer science concepts, as UC Berkeley lecturer Brian Harvey does in his Computer Science Logo Style trilogy.

Catalog number PHM 3109.

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