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|{{quote | "I have long been struck by the contrast between the success with which the adventurous learn APL by simply using it, and the frequent failure of lecture courses to communicate the simplicity and applicability of the language."|[[Ken Iverson]]. ''A Working Introduction to APL'', 1981.}}
|{{quote | "I have long been struck by the contrast between the success with which the adventurous learn APL by simply using it, and the frequent failure of lecture courses to communicate the simplicity and applicability of the language."|[[Ken Iverson]]. ''A Working Introduction to APL'', 1981.}}
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== Introductions ==
== For non-programmers ==
=== For non-programmers ===


Some of the best resources for somebody new to APL and programming in general are:
Some of the best resources for somebody new to APL and programming in general are:
* APL Wiki's [[simple examples]]
* The [https://tryapl.org/?tab=3 Learn tab on TryAPL]
* The [https://tryapl.org/?tab=3 Learn tab on TryAPL]
* The book [https://www.dyalog.com/mastering-dyalog-apl.htm Mastering Dyalog APL] by Bernard Legrand
* The book [https://www.dyalog.com/mastering-dyalog-apl.htm Mastering Dyalog APL] by Bernard Legrand
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If you get stuck, don't hesitate to ask your questions in the [[APL Orchard]] chat room.
If you get stuck, don't hesitate to ask your questions in the [[APL Orchard]] chat room.


=== For non-APL programmers ===
== For non-APL programmers ==


This is a list of tutorials and other resources of interest to someone who knows about programming or is familiar with another programming language, but wants to learn more about APL.
This is a list of tutorials and other resources of interest to someone who knows about programming or is familiar with another programming language, but wants to learn more about APL.
 
<div style="column-width:20em">
* [https://chat.stackexchange.com/rooms/info/52405/the-apl-orchard?tab=conversations Stack Exchange Lessons]
* APL Wiki's [[advanced examples]]
* [https://tryapl.org TryAPL]
* [https://chat.stackexchange.com/rooms/info/52405/the-apl-orchard?tab=conversations APL Cultivation] (chat lessons)
* [https://github.com/nooodl/learnxinyminutes-docs/blob/master/apl.apl LearnXinYminutes]
* [https://tryapl.org TryAPL online interpreter with lessons]
* [https://theburningmonk.com/2015/06/fear-and-loathing-with-apl/ Fear and Loathing with APL Learn APL in 10 minutes]
* [https://github.com/nooodl/learnxinyminutes-docs/blob/master/apl.apl Learn X in Y minutes]
* [https://theburningmonk.com/2015/06/fear-and-loathing-with-apl/ Fear and Loathing with APL]
* [https://aplwiki.com/AplIn20Minutes APL in 20 Minutes]
* [https://aplwiki.com/AplIn20Minutes APL in 20 Minutes]
* [https://www.whoishostingthis.com/resources/apl/ A Short Intro to APL]
* [https://www.whoishostingthis.com/resources/apl/ A Short Intro to APL]
* [https://codeburst.io/lets-learn-a-programming-language-5f374e4abae5 Let's Learn A Programming Language]
* [https://codeburst.io/lets-learn-a-programming-language-5f374e4abae5 Let's Learn A Programming Language]
* [https://aplwiki.com/BooksAndPublications APLWiki list of Books and Publications]
* [https://aplwiki.com/BooksAndPublications APLWiki list of Books and Publications]
* [https://www.dyalog.com/mastering-dyalog-apl.htm   Mastering Dyalog APL]
* [https://www.dyalog.com/mastering-dyalog-apl.htm Mastering Dyalog APL]
* [https://github.com/mhaupt/mastering_dyalog_apl GitHub repository]
* [https://github.com/mhaupt/mastering_dyalog_apl GitHub repository]
* [https://tutorial.dyalog.com/ Tutorial]
* [https://tutorial.dyalog.com/ Zark tutorial]
* [https://github.com/vendethiel/trying.apl Trying APL - Basic APL snippets demonstrating function and operator behaviour]
* [https://github.com/vendethiel/trying.apl Trying APL]
* [https://github.com/annser/annser Artificial Neural Networks on the Raspberry Pi]
* [https://github.com/annser/annser Artificial Neural Networks]
* [https://codeburst.io/fizzbuzz-in-apl-a193d1954b4b FizzBuzz in APL]
* [https://codeburst.io/fizzbuzz-in-apl-a193d1954b4b FizzBuzz]
</div>
[[Category:Lists]]


[[Category:Lists]]
== For novice APLers ==
 
If you already have a fair grasp of APL's [[primitive function]]s and [[primitive operator|operators]], you can sharpen your skills by challenging yourself with these:
 
* [https://abrudz.github.io/crosswords/5/ APL Crossword 5]: Fill in expressions and snippets to fulfil all the clues.


=== For novice APLers ===
* [https://www.dyalog.com/2016-year-game.htm 2016 Year Game]: Find APL expressions involving exactly the digits 2 0 1 6 in that order to equal the numbers 0 to 100.


[[Intermediate APL]]
* [https://www.dyalog.com/2017-code-golf-challenge.htm 2017 Code Golf Challenge]: Find the shortest possible APL expression that evaluates 1…52 without using any number or character literals.


=== For old APLers ===
* [https://www.dyalog.com/student-competition.htm APL Problem Solving Competition]s — Try to solve past years' problems.


* [[Modern APL for old APLers]]
== For old APLers ==
In the last decade, several implementations have extended APL with new primitives:
=== Primtives ===
Functions: <source lang=apl inline>⊢</source> [[Identity|Same]], [[Right_identity|Right]];
<source lang=apl inline>⊣</source> [[Identity|Same]], [[Left_identity|Left]];
<source lang=apl inline>⌷</source> [[Materialise]], [[Squad indexing|Index]];
<source lang=apl inline>≡</source> [[Depth]], [[Match]];
<source lang=apl inline>≢</source> [[Tally]], [[Not Match]];
<source lang=apl inline>⍸</source> [[Where]], [[Interval Index]];
<source lang=apl inline>⊆</source> [[Nest]], [[Partition]]


== How to's ==
Operators: <source lang=apl inline>∘</source> [[Bind]], [[Compose]];
<source lang=apl inline>⍤</source> [[Rank operator|Rank]];
<source lang=apl inline>⌸</source> [[Key]];
<source lang=apl inline>⌺</source> [[Stencil]];
<source lang=apl inline>⍠</source> [[Variant]]
=== Lambdas ===
* [http://help.dyalog.com/16.0/Content/Language/Defined%20Functions%20and%20Operators/DynamicFunctions/Dynamic%20Functions%20and%20Operators.htm Intro]
* [http://help.dyalog.com/16.0/Content/Language/Defined%20Functions%20and%20Operators/DynamicFunctions/MultiLine%20Dynamic%20Functions.htm Details]
* [http://help.dyalog.com/16.0/Content/Language/Defined%20Functions%20and%20Operators/DynamicFunctions/Dynamic%20Operators.htm Operators]
=== Tacit programming ===
[[Dyalog APL]] documentation: [http://help.dyalog.com/16.0/Content/RelNotes14.0/Function%20Trains.htm Intro], [http://help.dyalog.com/15.0/Content/Language/Introduction/Trains.htm Details]


=== Error trapping ===
Videos: [https://www.youtube.com/watch?v=kt4lMZbn-so Short], [https://www.youtube.com/watch?v=A2LqqBosvY0 Long]


* [[Error trapping with Dyalog APL]]
=== Other features  ===
* [[Keyword]]s
* [[Object-oriented programming]]


* [[Error trapping in Dyalog APL forms]]
== How to's for advanced APLers ==


=== Graphical User Interfaces ===
* [[Error trapping with Dyalog APL]]


* [[Error trapping in Dyalog APL forms]]
* [[Error trapping in Dyalog APL forms]]


=== Calling APL from other languages ===
* [[Calling APL from other languages]]
 
=== Calling other languages from APL ===


=== Performance tuning ===
* [[Calling other languages from APL]]


=== APL on the web ===
* [[Performance tuning]]


=== Parallel computing ===
* [[APL on the web]]


=== Cryptography ===
* [[Parallel computing]]


Migrate https://aplwiki.com/CryptographyWithDyalogAndDotNet
* [[Cryptography]] <span style="background:yellow">← Migrate https://aplwiki.com/CryptographyWithDyalogAndDotNet</span>


{{APL programming language}}
{{APL development}}

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