DYNA Fall 2025: 29-30 September. More info

The Dyalog Blog

267 blog posts in 34 categories covering APL insights, company news and events, innovative projects, and more.

The halting problem is the problem of determining, from a description of a program and an input, whether the program will finish running or continue to run… Read
It is really good to see APL events come back to life! In April of 2014, we witnessed the re-birth of SWEDAPL, which had been dormant for some time – but now… Read
Group photo of attendees at the FinnAPL Forest Seminar 2016, gathered indoors and smiling with glasses of wine in hand.
Finns probably have better reasons to look forward to spring more than most of us: not only does it get much easier to keep that hole in the ice open, it is… Read

PQA

PQA is an acronym for Performance Quality Assurance. We developed PQA to answer the questions, which APL primitives have slowed down from one build of the… Read
A message in the Forum inquired on sorting strings in APL with a custom comparison function. First, sorting strings without a custom comparison function… Read
Jay Foad, wearing a light-coloured checked shirt, standing in front of a wooden beam structure, smiling softly at the camera
Hello! Further to Morten’s kind words of introduction, I’d like to take this opportunity to introduce myself as the new CTO of Dyalog Ltd. About me… Read
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Technical advice and assistance on all aspects of Dyalog usage is available by e-mail (support@dyalog.com) and/or telephone (+44 1256 830030 – limited to U.K. office hours). Limited advice on design and coding is available, but is not intended to replace the use of the printed and on-line documentation. Except when reporting an issue with the software, users are encouraged to seek advice from the user community via the Dyalog Forum (reading the content of the forums does not require membership).

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