From the HackerLinks archive

Mastering Dyalog APL

A free Dyalog APL book for learning array programming.

At a glance:

First seen:2026-05-24

Last seen:2026-05-24

Times seen:1

Website:mastering.dyalog.com

The short version

A free Dyalog APL book for learning array programming.

Why it caught our attention

Commenters described it as a motivating way to ramp into APL.

Where it surfaced on Hacker News

2026-05-24

Editorial paraphrase

One comment said it gave “dopamine hits” and was a nice way to ramp up, while others linked Dyalog editor resources and BQN docs.

Mastering Dyalog APL

Also surfaced in this discussion

Mastering Dyalog APL

2026-05-24