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Unlike traditionally structured programming languages, APL code is typically structured as chains of monadic or dyadic functions, and operators [55] acting on arrays. [56] APL has many nonstandard primitives (functions and operators) that are indicated by a single symbol or a combination of a few symbols.
Before Unicode, APL interpreters were supplied with fonts in which APL characters were mapped to less commonly used positions in the ASCII character sets, usually in the upper 128 code points. These mappings (and their national variations) were sometimes unique to each APL vendor's interpreter, which made the display of APL programs on the Web ...
The programming language APL uses a number of symbols, rather than words from natural language, to identify operations, similarly to mathematical symbols.Prior to the wide adoption of Unicode, a number of special-purpose EBCDIC and non-EBCDIC code pages were used to represent the symbols required for writing APL.
The APL Character Set for Workspace Interchange, registered for use with ISO/IEC 2022 as ISO-IR-68, [1] is a character set developed by the APL Working Group of the Canadian Standards Association. [2] IBM calls it Code page 371. [3] It is one of several APL code pages used for the syntax and symbols used by the APL programming language. [2]
APL style C resembles the terse style of APL code, and is commonly used in their implementations. [39] This style was pioneered by Arthur Whitney, and is heavily used in the implementation of K, Arthur's own project. The J programming language is implemented in this style as well. Notably, not all implementations of APL use this style of C ...
Pages in category "APL programming language family" The following 18 pages are in this category, out of 18 total. ... Code of Conduct; Developers; Statistics;
The concept of a one-liner program has been known since the 1960s [1] with the release of the APL programming language. With its terse syntax and powerful mathematical operators, APL allowed useful programs to be represented in a few symbols. In the 1970s, one-liners became associated with the rise of the home computer and BASIC.
In 1962, Kenneth E. Iverson published his book A Programming Language, describing a mathematical notation for describing array operations in mathematics. [2] In 1965, Abrams and Lawrence M. Breed produced a compiler that translated expressions in Iverson's APL notation into IBM 7090 machine code. [1]