APL (programming language)

IBM typeballs (one OCR) with clip, €2 coin for scale

A programmer's view of the IBM 2741 keyboard layout with the APL typeball print head inserted

APL (named after the book A Programming Language) is a programming language developed in the 1960s by Kenneth E. Iverson. Its central datatype is the multidimensional array. It uses a large range of special graphic symbols to represent most functions and operators, leading to very concise code. It has been an important influence on the development of concept modeling, spreadsheets, functional programming, and computer math packages. It has also inspired several other programming languages. It is still used today for certain applications.

单词	Dyalog APL
释义	Dyalog APL 英语百科 APL (programming language) APL (named after the book A Programming Language) is a programming language developed in the 1960s by Kenneth E. Iverson. Its central datatype is the multidimensional array. It uses a large range of special graphic symbols to represent most functions and operators, leading to very concise code. It has been an important influence on the development of concept modeling, spreadsheets, functional programming, and computer math packages. It has also inspired several other programming languages. It is still used today for certain applications.
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Dyalog APL

APL (programming language)