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ALGOrithmic Language. Designed as a portable language for scientific computations. ALGOL 60 was small and elegant. It was block-structured, nested, recursive, and free form. It was also the first language to be described in BNF (Backus Naur Form). There were three lexical representations: hardware, reference, and publication. The only structured data types were arrays, but they were permitted to have lower bounds and could be dynamic. Keywords. Conditional expression. Introduced :=, if-then-else, very general 'for' loops. Switch declaration (an array of statement labels generalizing FORTRAN's computed goto). Parameters were call-by-name and call-by-value. Static local 'own' variables. Lacked user-defined types, character manipulation and standard I/O. "Report on the Algorithmic Language ALGOL 60", Peter Naur ed, CACM 3(5):299-314 (May 1960).
Contributor: Fernando Alvares
Category Programming Languages Category Definitions
( Topic last updated: 2001.03.13 05:48:42 PM )