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Mastering Dyalog APL

Hacker News · May 24, 2026, 11:42 AM

Key takeaways

  • The “Mastering Dyalog APL” book is the de facto standard for people who are looking to learn Dyalog APL from a book.
  • It is missing chapters and sections and the content here may undergo heavy revision.
  • Feel free to open a new issue on Git Hub if you would like to give feedback or to suggest corrections to any eventual mistakes/typos you encounter.

The “Mastering Dyalog APL” book is the de facto standard for people who are looking to learn Dyalog APL from a book. In today’s world technology changes rapidly, so a printed book about a programming language is at risk of becoming outdated.

This online version is a work in progress. It is missing chapters and sections and the content here may undergo heavy revision.

Feel free to open a new issue on Git Hub if you would like to give feedback or to suggest corrections to any eventual mistakes/typos you encounter. Alternatively, you can send an email to mdapl dyalog com.

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