VDict mobile



language (APL) A 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, APL360, 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 but
now can use ISO8485. It is dynamically typed with
dynamic scope. APL introduced several functional forms but
Dyadic Systems APL/W is one of the languages that will be
available under Microsoft's .NET initative.
Versions: APL360, APL SV, Dyalog APL, VS APL, Sharp APL,
Sharp APL/PC, APL*PLUS, APL*PLUS/PC, APL*PLUS/PC II, MCM APL,
Honeyapple, DEC APL, Cognos APL2000, IBM APL2.
APLWEB translates WEB to APL.
Dijkstra said that APL was a language designed to perfection
- in the wrong direction.
["A Programming Language", Kenneth E. Iverson, Wiley, 1962].
["APL: An Interactive Approach", 1976].
(2002-01-19)