a programming language

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A Programming Language definition

language
(APL) A programming language designed originally by Ken Iverson at Harvard University in 1957-1960 as a notation for the concise expression of mathematical algorithms. It went unnamed (or just called Iverson's Language) and unimplemented for many years. Finally a subset, APL\360, was implemented in 1964.
APL is an interactive array-oriented language and programming environment with many innovative features. It was originally written using a non-standard character set. It is dynamically typed with dynamic scope. APL introduced several functional forms but is not purely functional.
Dyalog APL/W and Visual APL are recognized .NET languages.
Dyalog APL/W, APLX and APL2000 all offer object-oriented extensions to the language.
ISO 8485 is the 1989 standard defining the language.
Commercial versions: APL SV, VS APL, Sharp APL, Sharp APL/PC, APL*PLUS, APL*PLUS/PC, APL*PLUS/PC II, MCM APL, Honeyapple, DEC APL, APL+Win, APL+Linux, APL+Unix and VisualAPL (http://www.apl2000.com/), Dyalog APL (http://www.dyalog.com/), IBM APL2 (http://www-306.ibm.com/software/awdtools/apl/), APLX (http://www.microapl.co.uk/apl/), Sharp APL (http://www.soliton.com/services_sharp.html)
Open source version: NARS2000 (http://www.nars2000.org/).
APL wiki (http://aplwiki.com/).
See also Kamin's interpreters.
APLWEB (http://www.microapl.co.uk/apl/) translates WEB to APL.
["A Programming Language", Kenneth E. Iverson, Wiley, 1962].
["APL: An Interactive Approach", 1976].
(2009-08-11)
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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