LSE (programming language)

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LSE (French: Langage symbolique d'enseignement) is a programming language developed at Supélec in the late 1970s/early 1980s.[1][2][3] It is similar to BASIC, except with French-language instead of English-language keywords. It was derived from an earlier language called LSD, also developed at Supélec. It is most commonly said to be an acronym for Langage Symbolique d'Enseignement (Symbolic Teaching Language), but other expansions are also known (e.g. Langage de Sup-Élec, or the more cynical Langage Sans Espoir (hopeless language)).

It originally flourished due to support from the French Ministry of National Education, but declined as the ministry lost interest. It went through a number of revisions; earlier versions of LSE lacked full support for structured programming, which later version added, along with exception handling.


  1. ^ Hebenstreit, Jacques (2006). "The '10,000 microcomputers plan' in France". In Jacquetta Megarry (ed.). World Yearbook of Education 1982/3: Computers and Education. Routledge. p. 126. ISBN 978-1-136-16772-0. The language LSE (Langage Symbolique d'Enseignement–a symbolic teaching language) was defined at my laboratory in 1971 and implemented on the MITRA 15 and T1600, both French-made systems.
  2. ^ Pascal Marquet (2004). Informatique et enseignement: progrès ou évolution? (in French). Editions Mardaga. p. 19. ISBN 978-2-87009-875-2.
  3. ^ Héctor Schmucler (1997). Memoria de la comunicación (in Spanish). Editorial Biblos. p. 178. ISBN 978-950-786-141-3.

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