APL is a high-productivity computing tool which is concise, has a consistent mathematical foundation, is intrinsically an array processing language, and has been developed over a period of more than 30 years. It is distinguished by its simple and consistent rules, a large set of built-in capabilities, powerful facilities for defining new operations, and a general and systematic treatment of arrays. Major APL users include financial institutions, insurance companies, engineers, scientists, mathematicians and teachers. Applications for which it is used range from pure mathematics through engineering calculations and on to free-form text retrieval.
A brief primer for APL, A Programming Language. Includes a description, comparison with other early programming languages, and code examples.
A brief description and chronology of the APL programming language, by Jan Bakker. Includes code examples and references.
Growing article, with links to many related topics. [Wikipedia]
Several variants written in APL.
An overview of APL, information on getting started, and a large collection of APL articles and references.
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