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APL Description

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Description: A brief description and chronology of the APL programming language, by Jan Bakker. Includes code examples and references.
APL\360, APL SV, VS APL, Sharp APL, Sharp APL/PC, APL2, APL*PLUS, APL*PLUS/PC, APL*PLUS/PC II, MCM APL, Honeyapple, DEC APL. interpreter language mathemetics statistics anguage." It was created in the 1960's by Ken Iverson and his colleagues at IBM. The language was very much mathematically inspired and used a powerful notation for mathematical algorithms. Therefore APL uses non-ASCII (or non-EBCDIC) symbols, including some Greek letters. So eg the character "X" differs from the arithmetic operation multiply "x" ; the arithmetic operation "devide" is not a "/" but has its own character "a horizontal line and a dot above and below that line" (see below).
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Expiration Date: 06-feb-2015