From APL Wiki
Revision as of 22:26, 9 August 2023 by J63nu (talk | contribs) (removed reference to try-GNU-APL online demo - which no longer exists in any fashion)
Jump to navigation Jump to search

"Both 32-and 64-bit GNU APL are available for Windows, truly proving G_d is great! الله أكبر"

Alan G. Konheim. Creativity in Computer Science – Horst Feistel. Footnote 14. Page F-9.

GNU APL is a free and (almost) complete implementation of Extended APL as specified in ISO/IEC 13751:2001 and is thus similar to APL2. It was initially written and is being maintained by Jürgen Sauermann. It includes extensions such as complex numbers and a shared variable interface.

In addition to a normal local APL session, GNU APL can used in a "scripting" language fashion by processing linear scripts passed to the interpreter at startup. It can also be compiled into a shared loadable library for embedding the interpreter into other projects.

Documents on GNU APL sometimes quote Richard Stallman, who both founded GNU and programmed in APL. However, Stallman is not directly associated with the project.


GNU APL tends to prefer the Unicode Lozenge (U+25CA; ) and Element of (U+2208; ) over Diamond operator (U+22C4; ) and Small Element of (U+220A; ) which are more commonly used by other dialects. This can lead to SYNTAX ERRORs if attempting to use code written for GNU APL in other implementations. However, GNU APL also accepts the more common code points.

External links

APL dialects [edit]
Maintained APL+WinAPL2APL64APL\ivApletteAprilCo-dfnsDyalog APLDyalog APL Visiondzaima/APLGNU APLKapNARS2000Pometo
Historical A Programming LanguageA+ (A) ∙ APL#APL\360APL/700APL\1130APL\3000APL.68000APL*PLUSAPL.jlAPL.SVAPLXExtended Dyalog APLIverson notationIVSYS/7090NARSngn/aplopenAPLOperators and FunctionsPATRowanSAXSHARP APLRationalized APLVisualAPL (APLNext) ∙ VS APLYork APL
Derivatives AHPLBQNCoSyELIGleeIIvyJJellyJellyfishK (Goal, Klong, Q) ∙ KamilaLispLang5LilNialRADUiua
Overviews Comparison of APL dialectsTimeline of array languagesTimeline of influential array languagesFamily tree of array languages