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Computing (FOLDOC) dictionary
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language ALGOrithmic Language 1960.
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.
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. It also had conditional expressions;
it introduced :=; if-then-else; very general "for" loops;
switch declaration (an array of statement labels generalising
Fortran's computed goto). Parameters were call-by-name
and call-by-value. It had static local "own" variables.
It lacked user-defined types, character manipulation and