Our latest blog post is the next in our #EmployeeSpotlight series, which celebrates members of the team. Martin has reached his first year anniversary with Dyalog Ltd, and www.dyalog.com/blog/2026/08... looks at how he's found his first twelve months. #TeamDyalog #Dyalog

ArrayCast is starting shortly: www.youtube.com/watch?v=-Epr...

Episode 129

YouTube video by ArrayCast

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The winners of the 2026 APL Forge have been announced. Kyle Croarkin (APL category) Conor Hoekstra (Non-APL category) Meet them and find out more about their winning entries at www.dyalog.com/news/166/420... #APLForge #Dyalog #APL #ArrayProgramming #ProgrammingCompetition #SoftwareDevelopment

The 2026.3 round of the APL Challenge is now open! This quarterly competition is open to everyone but is aimed at newcomers to APL – please spread the word to anyone who might be interested. For more information and to enter, see challenge.dyalog.com #aplchallenge #apl #dyalog #learnapl

#APLQuest 2017-04: Write a function that calculates and returns the areas of 0 or more pie slices (see apl.quest/2017/4/ to test your solution and view ours). #APL #Geometry #AreaCalculation

APL Quest 2017-4: Slice(s) of Pie(s)

Write a function that calculates and returns the areas of 0 or more pie slices.

apl.quest

Learn APL and compete for one of three $100 prizes! Don't forget to submit your solutions for the 2026.2 round of the APL Challenge – the deadline is tomorrow (31 July) at 08:00 UTC. See challenge.dyalog.com for more information and to enter. #aplchallenge #apl #dyalog #learnapl

Dyalog '26 10% early bird discount ends on Friday! Join us in Eastbourne, 12–16 October, for #APL presentations, workshops, training and discussions with the Dyalog community. Register: usermeeting.dyalog.com #dyalog26 #dyalog

Manas Mahale, a member of the APL community, has written a blog post about implementing Extended Connectivity Fingerprints (ECFP) in Dyalog APL. Read about this #cheminformatics exploration at butwhyisthat.substack.com/p/ecfp #Dyalog #APL

Extended Connectivity Fingerprint in APL

a lesson in writing unmaintainable scientific code

butwhyisthat.substack.com

Last chance to save 10% on your Dyalog ’26 registration – it expires on Friday (31 July). Join us in Eastbourne, 12–16 October, for #APL presentations, workshops, training and discussions with the Dyalog community. Register by 31 July: usermeeting.dyalog.com #Dyalog26 #Dyalog

#APLQuest 2017-03: Write a function that will remove text found between pairs of double quotes (see apl.quest/2017/3/ to test your solution and view ours). #APL #StringManipulation #QuoteRemoval

APL Quest 2017-3: Miss Quoted

Write a function that will remove text found between pairs of double quotes.

apl.quest

Learn APL and compete for one of three $100 prizes! There's only one week left to enter the 2026.2 round of the APL Challenge. See challenge.dyalog.com for more information and to enter. #aplchallenge #apl #dyalog #learnapl

One week remains to save 10% on Dyalog ’26 registration! Join us in Eastbourne, 12–16 October, for #APL presentations, workshops, training and discussions with the Dyalog community. Register by 31 July: usermeeting.dyalog.com #Dyalog26 #Dyalog

#APLQuest 2017-02: Write a function that takes an integer array and replaces all the odd numbers with the next greater even number (see apl.quest/2017/2/ to test your solution and view ours). #APL #EvenNumbers #ArrayTransformation

APL Quest 2017-2: Good Evening

Write a function that takes an integer array and replaces all the odd numbers with the next greater even number.

apl.quest

Only two weeks remain to save 10% on registration for Dyalog ’26. Join us in Eastbourne, England, from 12–16 October 2026 for five days of #APL presentations, workshops, training, and discussion. Register: usermeeting.dyalog.com #Dyalog26 #Dyalog

In our latest blog post, Stefan Kruger outlines how he utilises LLMs when working with #APL. He describes his set-up and working practices, and provides a few practical tips on how to make an LLM more fluent in APL. www.dyalog.com/blog/2026/07... #Dyalog #LLM #SoftwareDevelopment

#APLQuest 2017-01: Write a function that will return the first n odd natural numbers (see apl.quest/2017/1/ to test your solution and view ours). #APL #OddNumbers #NumberSequences

APL Quest 2017-1: What an Odd Bunch

Write a function that will return the first n odd natural numbers.

apl.quest

The Dyalog '26 early bird discount ends 31 July. That's just three weeks away. Join fellow #APL users in Eastbourne, 12–16 October, for a week of workshops, presetations, and a say in where Dyalog goes next. usermeeting.dyalog.com #Dyalog26 #Dyalog

All videos from #DYNA26 are now available. Watch (or rewatch) presentations covering topics such as migration tools, Dyalog v20.0 enhancements, and customer experiences at www.youtube.com/watch?v=ZrM_... #DYNA #Dyalog #APL

Mark Wolfson provides an update on The APL Trust, a non-profit charity supporting projects that promote global awareness and meaningful use of the APL programming language. Watch: www.youtube.com/watch?v=NskG... #DYNA26 #Dyalog #APL #DyalogAPL

The APL Trust – Update // Mark Wolfson // DYNA26

YouTube video by Dyalog User Meetings

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#APLQuest 2016-10: Write a function that takes as its right argument a vector of prices and as its left argument a numeric vector that indicates the number ordered and returns the total cost for the order (see apl.quest/2016/10/ to test your solution and view ours). #APL #DotProduct #VectorMath

APL Quest 2016-10: Order Total

Write a function that takes as its right argument a vector of prices and as its left argument a numeric vector that indicates the number ordered and returns the total cost for the order.

apl.quest

Kyle Croarkin built a Minecraft-style voxel game using Dyalog. In this DYNA26 presentation, he shows how APL helped turn complex game engine problems into compact, shareable code. Watch: www.youtube.com/watch?v=Bp6j... #DYNA26 #Dyalog #APL #DyalogAPL

A Voxel Game in APL // Kyle Croarkin // DYNA26

YouTube video by Dyalog User Meetings

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Can AI help build a web front end for a Jarvis-based web service? In this DYNA26 presentation, Brian Becker shares what happened when he put it to the test. Watch: www.youtube.com/watch?v=iFZC... #DYNA26 #Dyalog #APL #DyalogAPL #AI

Jarvis and AI // Brian Becker // DYNA26

YouTube video by Dyalog User Meetings

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Learn APL and compete for one of three $100 prizes! There's one month left to enter the 2026.2 round of the APL Challenge. See challenge.dyalog.com for more information and to enter. #aplchallenge #apl #dyalog #learnapl

Holden Hoover presents a new tool that uses OpenAPI specifications to automatically generate APL client code built on top of HttpCommand. Watch the recording: www.youtube.com/watch?v=9Cbn... #DYNA26 #Dyalog #APL #DyalogAPL #OpenAPI

Consuming REST APIs in APL with OpenAPI // Holden Hover // DYNA26

YouTube video by Dyalog User Meetings

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#APLQuest 2016-09: Write a function that takes a character vector as its right argument and one or more characters as its left argument, where those characters are delimiters in the right argument (see apl.quest/2016/9/ to test your solution and view ours). #APL #TextParsing #StringSplitting

APL Quest 2016-9: Delimited Text

Write a function that takes a character vector as its right argument and one or more characters as its left argument, where those characters are delimiters in the right argument.

apl.quest

Dyalog v20.0 introduces array notation, improved namespace handling, the behind operator, and inline tracing. In this DYNA26 presentation, Asher Harvey-Smith gives an overview of these new features. Watch: www.youtube.com/watch?v=1IaL... #DYNA26 #Dyalog #APL #DyalogAPL

Enhancements in Dyalog v20.0: Arrays, Namespaces, Composition, Inline Tracing // Asher Harvey-Smith

YouTube video by Dyalog User Meetings

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In this DYNA26 presentation, Asher Harvey-Smith highlights leading axis theory, new primitives, and new uses for old primitives. Watch: www.youtube.com/watch?v=1IjG... #DYNA26 #Dyalog #APL #DyalogAPL

APL Primitives in the 21st Century // Asher Harvey-Smith // DYNA26

YouTube video by Dyalog User Meetings

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Mark Wolfson and Kori Smith share a real data processing challenge from the jewellery industry: turning unstructured product descriptions into clean, queryable data. Watch the recording: www.youtube.com/watch?v=hAKW... #DYNA26 #Dyalog #APL #DyalogAPL

Parsing User Input for Database Normalisation // Mark Wolfson and Kori Smith // DYNA26

YouTube video by Dyalog User Meetings

youtube.com

#APLQuest 2016-08: Write a function that takes a numeric vector and returns a two element vector whose first element contains the values less than 0 in the vector and the second element contains all values greater than or equal to 0 (apl.quest/2016/8/) #APL #ArrayPartitioning #ConditionalSplit

APL Quest 2016-8: Separating Out the Negative

Write a function that takes a numeric vector and returns a two element vector whose first element contains the values less than 0 (zero) in the vector and the second element contains all values greate...

apl.quest

Not yet decided whether to join us in Eastbourne, England, for Dyalog '26? Details of the workshops that you can attend are available at usermeeting.dyalog.com/workshops/, and there is a 10% discount for registrations made before the end of July. We hope to see you there! #Dyalog #APL #Dyalog26

Workshops | Dyalog '26 | Eastbourne, England

Explore Dyalog ’26 workshops, with hands-on sessions on web services, namespaces, concurrency, performance, Link, and APL problem solving.

usermeeting.dyalog.com