Dyalog Ltd.

15/06/2026

It's the final week to enter your submission to the APL Forge – the deadline is Monday 22 June 2026 at 12:00 UTC. This annual competition enhances awareness and usage of APL in the community at large by challenging participants to create innovative open-source libraries and commercial applications using Dyalog APL. For more information and to enter, see https://forge.dyalog.com

15/06/2026

2016-07: Write a function that takes a numeric vector and returns all elements that are divisible by 3 or 5 (see https://apl.quest/2016/7/ to test your solution and view ours).

Write a function that takes a numeric vector and returns all elements that are divisible by 3 or 5.

09/06/2026

There are only two weeks left to enter your submission to the APL Forge – the deadline is Monday 22 June 2026 at 12:00 UTC. This annual competition enhances awareness and usage of APL in the community at large by challenging participants to create innovative open-source libraries and commercial applications using Dyalog APL. For more information and to enter, see https://forge.dyalog.com

08/06/2026

2016-06: Write a function that takes a vector of vectors as its right argument and returns it sorted by the length of each element (see https://apl.quest/2016/6/ to test your solution and view ours).

Write a function that takes a vector of vectors as its right argument and returns it sorted by the length of each element.

04/06/2026

Registration for Dyalog '26 is now open! Join us in Eastbourne, England, from Monday 12 through Friday 16 October 2026 for the opportunity to exchange experiences, update your technical knowledge, and meet the team behind Dyalog. For more information and to register, see https://www.dyalog.com/user-meetings/dyalog26.htm – register by 31 July 2026 for a 10% Early Bird Discount.

01/06/2026

2016-05: Write a function that takes a vector as its right argument and returns elements that occur only once in the vector (see https://apl.quest/2016/5/ to test your solution and view ours).

Write a function that takes a vector as its right argument and returns elements that occur only once in the vector.

29/05/2026

Learn APL and compete for one of three $100 prizes! There are two months month left to enter the 2026.2 round of the APL Challenge. See https://challenge.dyalog.com/ for more information and to enter.

27/05/2026

All materials for last month's DYNA26 presentations are now available to download – see https://www.dyalog.com/north-american-user-meetings/dyna26.htm for individual links and downloads, or go to https://www.dyalog.com/uploads/conference/dyna26/materials/ to download materials in bulk.

25/05/2026

2016-04: Write a function that takes vectors as its left and right arguments and returns them “meshed” into a single vector formed by alternately taking successive elements from each argument (see https://apl.quest/2016/4/ to test your solution and view ours).

Write a function that takes vectors as its left and right arguments and returns them “meshed” into a single vector formed by alternately taking successive elements from each argument.

22/05/2026

There is only one month left to enter your submission to the APL Forge – the deadline is Monday 22 June 2024 at 12:00 UTC. This annual competition enhances awareness and usage of APL in the community at large by challenging participants to create innovative open-source libraries and commercial applications using Dyalog APL. For more information and to enter, see https://forge.dyalog.com