Dyalog delivers a world-class APL development environment that allows both Subject Matter Experts and IT specialists to efficiently convert their ideas into software solutions.
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| Homepage | https://dyalog.com |
| Linktree | https://linktr.ee/dyalog |
In our latest blog post (https://www.dyalog.com/blog/2026/05/a-new-stack-for-the-apl-challenge/), Adám looks at the APL Challenge – its origins in the World Wide Programming Competition, the original APL-based infrastructure developed to run it in-house, and the latest iteration of the stack using Dyalog v20.0 features.
DYNA26 took place in New York City at the end of last month (April 27). Our latest blog post – https://www.dyalog.com/blog/2026/05/dyna26-a-review/ is our review of the presentations and community building that took place.
#APLQuest 2016-02: Write a function that takes a numeric vector as its right argument and returns the median of the array (see https://apl.quest/2016/2/ to test your solution and view ours).
For the first time, the D'Hondt method is being used to apportion seats in today's Welsh elections. In his timely blog post – https://www.dyalog.com/blog/2026/05/dhondt-apportionment-made-easy-with-apl – Asher explores an #APL implementation of this proportional apportionment technique.
#APLQuest 2016-01: Write a function that takes a numeric array as its right argument and returns the mean (average) of the array (see https://apl.quest/2016/1/ to test your solution and view ours).
The 2026.2 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 https://challenge.dyalog.com/
Learn APL and compete for one of three $100 prizes! Don't forget to submit your solutions for the 2026.1 round of the APL Challenge – the deadline is tomorrow (30 April) at 08:00 UTC. See https://challenge.dyalog.com/ for more information and to enter.
One of our users has been exploring a Monte Carlo Simulation using #APL with no additional libraries or tools. Watch his introductory video at https://www.youtube.com/watch?v=dZoe0CCGfu0 – a follow-up video walking through his code has been promised...
#APLQuest 2015-10: Write a function that takes an integer right argument representing the order of the Pascal's triangle to be created and returns a “nicely” formatted character matrix (see https://apl.quest/2015/10/ to test your solution and view ours).
DYNA26 is today.
The team has made the 6 hour journey to New York City and we are almost ready to go!
Looking forward to a great day of talks, ideas and APL.
