Presentations. Workshops. Community-building.

DYNA Fall 2025 takes place on Monday 29 and Tuesday 30 September in New York City. Hosted by Dyalog Ltd, the event brings together CTO Morten Kromberg, APL Tools Architect Brian Becker, and the wider APL community for two days of APL-focused presentations, workshops, and hands-on learning.

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DYNA Fall 2025 in New York City

Join us on 29 – 30 September for two days of APL learning, discussion, and connection. Day 1 (free to attend) features presentations from leading developers and users. Day 2 ($250) offers a choice of in-depth, hands-on workshops to build your skills.

This is your chance to connect with the North American APL community, no matter your level of experience.

Speakers at DYNA Fall 2025

Asher Harvey-Smith

Dyalog Ltd

Asher discovered APL while he was at university, and loves to make complicated algorithms neat and fast using array-oriented thinking. He spent two summers as… Read more

Brandon Wilson

Dyalog Ltd

Brandon started using Dyalog as a hobbyist in 2020, and has been using it daily for the last three years. He is particularly interested in APL’s unique… Read more

Brian Becker

Dyalog Ltd

Over the five decades that Brian has been working with APL, he has applied his expertise to develop APL applications across a wide spectrum of industries.… Read more

Presentations at DYNA Fall 2025

The Data Science Journey

Presenter: Josh David, Dyalog Ltd

Mon 29 Sept, 3:30 PM (30 mins)

Data science is one of the most influential areas of technology today. From statistical analyses to machine learning and laying the foundation for many AI… Read more

Lessons Learned when Converting from APL+Win to Dyalog APL

Presenter: Alex Holtzapple, METSIM

Mon 29 Sept, 1:30 PM (45 mins)

METSIM® is the leading chemical and mineral processing plant simulation software used by engineers and operators around the globe. Since 1982, all development… Read more

Static Analysis of APL for Tooling and Compliance

Presenters: Aaron Hsu, Dyalog Ltd and Brandon Wilson, Dyalog Ltd

Mon 29 Sept, 12:45 PM (30 mins)

Aaron introduces the work that’s being done at Dyalog Ltd to provide static analysis tools for users of APL that should improve tooling, assist in code… Read more

Workshops at DYNA Fall 2025

Data Analysis with ⎕CSV and

Date & Time: Tues 30 Sept 1:30 PM

Format: 3.5 hours (including breaks)

The key operator ( ) is used to perform GROUP BY-style aggregations in Dyalog. In this workshop we explore ways to import and pre-process… Read more

Introduction to Namespaces

Date & Time: Tues 30 Sept 9:30 AM

Format: 3.5 hours (including breaks)

In Dyalog, namespaces are a convenient way to organise a workspace (analogous to the way in which directories are a convenient way to organise a file system).… Read more

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Register for DYNA Fall 2025

DYNA Fall 2025 is an in-person only event. Registration is essential to ensure we can accommodate all attendees comfortably and plan appropriate refreshments. Please note that lunch and refreshments during breaks are included on both days, but evening meals and accommodation are not.

Day 1 presentations are free. Day 2 workshops cost $250 for the full day, which includes two workshops. Join us for either day or both!

If you have any questions please contact us: dyna@dyalog.com

Registration for DYNA Fall 2025 closes at 11:59 PM UTC on Sunday 21st September 2025.