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Dyalog APL was first released by British company Dyalog Ltd. [107] in 1983 [108] and, as of 2018, is available for AIX, Linux (including on the Raspberry Pi), macOS and Microsoft Windows platforms. It is based on APL2, with extensions to support object-oriented programming, [109] functional programming, [110] and tacit programming. [111]
Also note the keyboard had some 55 unique (68 listed per tables above, including comparative symbols but several symbols appear in both monadic and dyadic tables) APL symbol keys (55 APL functions (operators) are listed in IBM's 5110 APL Reference Manual), thus with the use of alt, shift and ctrl keys - it would theoretically have allowed a ...
Dyalog APL: Dyalog Ltd. 1981 1983 18.0 10 June 2020: Not free (commercial), Free (non-commercial) Proprietary: A modern dialect of APL, enhanced with features for functional and object-oriented programming. Euler Math Toolbox: René Grothmann 1987 1988 2022-02-10 10 February 2022: Free GPL: Also a computer algebra system through interface with ...
In 1996, John Scholes of Dyalog Limited invented direct functions (dfns). [1] [6] [7] The ideas originated in 1989 when he read a special issue of The Computer Journal on functional programming. [33] He then proceeded to study functional programming and became strongly motivated ("sick with desire", like Yeats) to bring these ideas to APL.
This page was last edited on 19 October 2018, at 14:40 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
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Although Dyalog APL included an implementation of shared variables for communication with the now-deprecated Microsoft Windows Dynamic Data Exchange (DDE), only IBM continued to use Shared Variables as a means to supply new features to their versions of the APL2 language for non-mainframe computers.