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...did not support [[Unicode]], but instead used a single byte to store each character. Its value varies wildly between dialects, and can even differ between edit ...environments and system software interfaces. Programming language Extended APL. (2001).</ref>

...[[set function]] which computes the [[wikipedia:intersection (set theory)|set intersection]] of the two [[vector]] [[argument|arguments]]. ...its [[membership|existence]] in the right argument" <syntaxhighlight lang=apl inline>(X∊Y)/X</syntaxhighlight>, which preserves the order and multiplic

Glyphs are the individual [[character]]s and symbols used in APL, primarily to represent [[primitive function]]s and [[primitive operator|op ...or example, both [[NARS2000]] and [[dzaima/APL]] use <syntaxhighlight lang=apl inline>√</syntaxhighlight> for the [[Square Root]] and [[Root]] functions

...mitive function]] which formats the right [[argument]] into a [[simple]] [[character]] array, optionally following the specification supplied as the left argume ...matches the interpreter's default display, either by <syntaxhighlight lang=apl inline>⎕←</syntaxhighlight> or by REPL.

| documentation = [http://www.softwarepreservation.org/projects/apl/Manuals/APL700UserReferenceManual User Reference Manual (pdf)] | influenced by = [[APL\360]], [[APL.SV]]

In APL, a quine is listed in the [[FinnAPL idiom library]] as "an expression givin <syntaxhighlight lang=apl>

:''This article is about the items of an array. For the set function, see [[Membership]]. ...one of the values it contains. In [[flat array theory]] an element is a [[character]], [[number]], or [[box]], and cannot be manipulated directly within the la

| index origin = <syntaxhighlight lang=apl inline>)ORIGIN</syntaxhighlight> 0 or 1 | influenced by = [[APL\360]]

| influenced by = [[Dyalog APL]], [[J]] ...tion, and string compression. Jelly uses different terminology from normal APL usage. Built-in functions are called ''atoms'', while derived functions are

| license = [https://github.com/shashi/APL.jl/blob/master/LICENSE.md MIT "Expat" License] | website = [https://github.com/shashi/APL.jl/blob/master/LICENSE.md github.com]

...nces, is adapted from an original paper by [[Bob Smith]]<ref>Smith, Bob. ''APL Characters and Their Aliases''. 14 Dec 2013–25 Dec 2019. Sudley Place Sof ...C/JTC1/SC22/WG3. [http://std.dkuug.dk/jtc1/sc22/open/n3067.pdf N3067]: APL Character Repertoire. 28 Dec 1999.</ref>. For whatever reasons, that document never b

...pace</kbd> and then <kbd>APL</kbd>+<kbd>P</kbd> for <syntaxhighlight lang=apl inline>*</syntaxhighlight>. === APL\360 ===

...te by using only the first-axis form (with the glyph <syntaxhighlight lang=apl inline>,</syntaxhighlight>) and removing the ability to specify an axis, an ...[box]]es are chosen in preference to [[number]]s, which are preferred to [[character]]s.

...r at [[Dyalog Ltd.]], mainly on speeding up the implementation of [[Dyalog APL]], but also contributing to language development. He has achieved significa ...ciencies. Uses Unicode [[glyph]]s, but has a different character set than APL.

| influenced by = [[APL.SV]] ...GOL design. [[Larry Breed]] and [[Phil Abrams]] assisted in developing the APL compiler.

Some modern versions of APL include a set of keywords for [[wikipedia:Control flow|controlling flow]] of execution. S ...t inline lang=apl>:Hold</syntaxhighlight> and <syntaxhighlight inline lang=apl>:Disposable</syntaxhighlight>. The use of control structures defined by the

...ds/conference/dyalog10/presentations/P19_Streeter_Keyboards.pdf Supporting APL keyboards on Linux]. [[Dyalog '10]].</ref> The simplest way to set up an APL keyboard on Linux is with the following <syntaxhighlight lang=console inlin

...wever, there have also been several significant languages that retain core APL ideas while breaking compatibility, including [[Ken Iverson|Iverson]]'s own APL dialects that emphasize backward compatibility typically apply greater caut

...ons with axis must be defined for each function separately. However, [[GNU APL]] implements the syntax and extends it so it applies to all user-defined fu In [[SHARP APL]], [[Replicate]] and [[Expand]] are also included in this category as they

[[File:APL Wiki Touch Square.png|thumb|right|APL Wiki logo]] The APL Wiki logo consists of the following [[numeric]] [[matrix]], where each numb

| website = [http://microapl.com/apl/ microapl.com/apl] | influenced by = [[APL/700]], [[APL.68000]], [[APL2]]

{{DISPLAYTITLE:Extended Dyalog APL}}{{Infobox array language | title = Extended Dyalog APL

This page gives a [[Dyalog APL]] demonstratration of WPF XAMPL with some utility functions, delivered in t <syntaxhighlight lang=apl>

'''James Arthur Brown''' is an APL language designer and the primary force behind [[IBM]]'s [[APL2]]. In this ...w&target=JimBrownsPersonalHistoryOf_APL_20170405.pdf A Personal History of APL]. Updated 2017-04-05.</ref>

...owever, a study involving high school students found that typing and using APL characters did not hinder the students in any measurable way. There are sev [[File:Dyalog US keyboard.jpg|thumb|right|US keyboard with [[Dyalog APL]] glyphs]]

...nguages = [[wikipedia:C (programming language)|C]], [[wikipedia:C++|C++]], APL | file ext = .dws, .dse, .dcf, .dyalog, .dyapp, .apl, .apla, .aplf, .aplo, .apln, .aplc, .apli

...05120746/http://www.chastney.com/~philip/SImPL/APL_fonts_are_different.pdf APL fonts are different]'' </ref> This article lists some fonts that are suited for APL, and shows how to use them.

...n]]s are considered a type of defined function in [[Dyalog APL]] and [[GNU APL]].'' ...ntroduced in [[APL\360]], function definition was universally supported by APL dialects for much of the language's [[history]], and is still commonly used

[[Dyalog APL]] is released in numbered versions, with approximately one version per year For information about versions prior to 10.0, see [[Dyalog APL#Versions]].

...d what makes it distinctive.'' By [[Stephen Taylor]] (lightly edited for [[APL Wiki]]). ...n an 1130 computer]], where it was dubbed APL after the title of his book. APL\1130 was providing personal computing to a community of users well before O

...a popular activity for APLers. APL implementations have appeared in the [[APL Quote-Quad]] since 1971, a year after the rules of the Game of Life were fi ...s Game of Life in APL"]. 2009-01-26.</ref> explains the following [[Dyalog APL]] implementation step by step. The implementation takes advantage of [[nest

| influenced by = [[J]], [[A+]], [[Dyalog APL]], [[Co-dfns]], [[APL\iv]], [[wikipedia:JavaScript|JavaScript]]<ref>[[Marshall Lochbaum]]. [https ...new set of [[glyph]]s with different primitive pairings, and implements [[character arithmetic]]. The language uses the [[leading axis model]] and [[tacit prog

...s wit]]. This article attempts to list and explain specific expressions of APL-themed humour. APL's unique [[glyphs]] are a constant source of puns and allusions. Most puns

| influenced by = [[SAX]], [[Rationalized APL]] | influenced = [[Dyalog APL]], [[NARS2000]], [[I]], [[BQN]]

This article details the design considerations for [[array notation]] in APL. Feedback may be given via the [[{{TALKPAGENAME}}|Discussion page]] or any The following requirements were proposed as objectives for an APL array notation:<ref>[[Adám Brudzewsky]]. Internal documents. [[Dyalog Ltd.

...ve]]s are [[Backwards compatibility|backwards compatible]] with those of [[APL.SV]]. However, there are important dialectal differences, the most signific ...rrently maintained dialects ([[Dyalog APL]], [[NARS2000]], [[APL2]], [[GNU APL]], and others) use the nested array model.

...glyphs|typing them]]. Both of these skills are essential for an effective APL programmer. This article provides such aide-mémoires. ...That is, no functions or operators can break through <syntaxhighlight lang=apl inline>⋄</syntaxhighlight>, just as diamonds are virtually indestructible

...PL conference]] in Helsinki, Finland. The huge contribution of the Finnish APL Association is gratefully acknowledged. * Due to its age, it doesn't make use of modern APL features which can provide a simpler solution. (However, a simple-looking e

...007. The last conference was held in 2010: organized in association with [[APL Germany]] and integrated with Dyalog's user meeting that year, it was seen | The Conference on APL "The March On Armonk"