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.

⎕io=0 assumed throughout; works in 1-origin with the obvious modifications. Introduction On Wednesday, a question arrived via Dyalog Support from an intern… Read
I attended Phil Goacher’s funeral yesterday. He probably had no idea of just how much he would influence the development of APL. I first met Phil at W S… Read
Friday Afternoon It’s something of a custom in Dyalog to send a “fun” e-mail to the group on Friday afternoons. My gambit for this past… Read
Enlist (∊) is twice as fast in Dyalog 16.0 as it was in Dyalog 15.0. Pretty much across the board: ∊⍳100 is not going to be any faster, but whenever the… Read
by Vibeke Ulmann Focus on Dyalog APL the language – Monday 11th September 2017 Where Sunday is traditionally filled with workshops and hands-on experiences… Read
by Vibeke Ulmann SharpPlot and SharpLeaf – the graphics and publication tools included with Dyalog on all platforms (Workshop SA4) A lot of work has gone… 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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