ArrayCast

Episode 129: Outermost Parentheses

Adam, Conor and Madeline chat about the problem Outermost Parentheses from Perl Weekly Challenge 385. Host: Conor Hoekstra Panel: Adám Brudzewsky, Madeline Vergani (Guest) Show Notes ArrayCast - August 4th, 2026 ArrayCast on Youtube arraycast.com ArrayCast on BlueSky Perl Weekly Challenge 385 Dyaog APL Solutions Kap Solution 1 Kap Solution 2 Uiua Solution from MarbleComa

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Episode 128: l with Jacob Loveless

Adam and Conor have three guests on the podcast to chat about the q / k4 runtime, l: Jacob Loveless, creator of l Stephen Taylor, former ArrayCast panelist (see episode 1 - 118) Alex Underrainer, q teacher / DefconQ.tech (see episode 108) Host: Conor Hoekstra Panel: Adám Brudzewsky Guests: Jacob Loveless, Stephen Taylor, Alex Underrainer Show Notes ArrayCast - July 20th, 2026 ArrayCast on Youtube arraycast.com ArrayCast on BlueSky Dyalog User Meeting APL Challenge Blog post Adám game Simon Garland's talk l l-labs on GitHub DefconQ.tech PeachQ korze.io iversoncollege.com

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Episode 127: Primitives Are Forever

Adam, Rich and Conor chat about the problem Sum of Frequencies from PWC 380. Host: Conor Hoekstra Panel: Adám Brudzewsky, Richard Park Show Notes ArrayCast - July 6th, 2026 ArrayCast on Youtube arraycast.com ArrayCast on BlueSky PWC 380 TinyAPL Solution DYNA26 // New York // 27 April 2026 (YouTube Playlist) APL Primitives in the 21st Century // Asher Harvey-Smith // DYNA26 Enhancements in Dyalog v20.0: Arrays, Namespaces, Composition, Inline Tracing // Asher Harvey-Smith

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Episode 126: Each Deep Dive & Omnifix

Adam, Rich and Conor chat about the problems Reverse Existence and Prefix Suffix from PWC 377. Host: Conor Hoekstra Panel: Adám Brudzewsky, Richard Park Show Notes ArrayCast - June 15th, 2026 ArrayCast on Youtube arraycast.com ArrayCast on BlueSky PWC 377 Forge Dyalog 26 APL Solution (P1) BQN Solution (P1) TinyAPL Solution (P1) Kap Solution (P1)

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Episode 125: Largest Substring Between Two Equal Characters

Adam, Rich and Conor chat about the problem from PWC 372 and LeetCode 1624: Largest Substring Between Two Equal Characters. Host: Conor Hoekstra Panel: Adám Brudzewsky, Richard Park Show Notes ArrayCast - May 18th, 2026 ArrayCast on Youtube arraycast.com ArrayCast on BlueSky PWC 372 LeetCode 1624. Largest Substring Between Two Equal Characters Gitte Christensen Forge TinyAPL Solutions BQN Solution Uiua Solution

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Episode 124: J 9.7 with Henry Rich & Marcin Żołek

Adam and Conor interview Henry Rich and Marcin Żołek about J9.7. Host: Conor Hoekstra Panel: Adám Brudzewsky Guests: Henry Rich and Marcin Żołek Gitte Christensen, former CEO of Dyalog Ltd: APL Wiki ArrayCast Episode 116: Gitte Christensen of Dyalog Ltd APL Campfire Show Notes ArrayCast - May 4th, 2026 ArrayCast on Youtube arraycast.com ArrayCast on BlueSky J Installation J Playground jconsole Jqt J HTTP Server addons J Guest Server Juno Dissect Multithreading Dictionaries J forum New York City J Users Group (NYCJUG) Mstat J Playground (uses J903)

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Episode 123: The APL Dojo

Adam and Conor chat about about the the APL Dogo, a tool to rank primitives, expressions and concepts into dojo tiers. Host: Conor Hoekstra Panel: Adám Brudzewsky Show Notes ArrayCast - April 6th, 2026 ArrayCast on Youtube arraycast.com ArrayCast on BlueSky DYNA26 Max Odd Binary APL Dojo APL Cart APL Cart Quiz ArrayBox.dev APL Germany Fruehjahrstagung 2026 DYNA26 Omnibar

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Episode 122: REPL & IDE Deep Dive

Adam and Conor chat about about the REPLs and IDEs in the array language ecosystem. Host: Conor Hoekstra Panel: Adám Brudzewsky Show Notes ArrayCast - March 23rd, 2026 ArrayCast on Youtube arraycast.com ArrayCast on BlueSky DYNA26 Ranking REPLs TryAPL J Playground BQNPAD Uiua Pad TinyAPL Kap Dyalog Ride J Qt APL64

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Episode 121: Arbitrary Echo Chambers

Adam and Conor chat about a ton of topics, including mathematics notation, PEDMAS, function and operator parsing and more! Host: Conor Hoekstra Panel: Adám Brudzewsky Show Notes ArrayCast - March 7th, 2026 ArrayCast on Youtube arraycast.com ArrayCast on BlueSky Episode 120 Livestream on YouTube GitHub Discussion DYNA26 Notation as a Tool of Thought Turing Award Paper

Episode 120: FIXAPL with Jacob Lockwood

Adam and Conor interview Jacob Lockwood about his language FIXAPL, an APL with fixed arity (no ambivalence) inspired by APL, BQN and Uiua! Host: Conor Hoekstra Panel: Adám Brudzewsky Guest: Jacob Lockwood Show Notes ArrayCast - February 17th, 2026 ArrayCast on Youtube arraycast.com ArrayCast on BlueSky FIXAPL

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Episode 119: The Phoenix Episode 🐦‍🔥

After a three month break, Adam and Conor return with a brand new episode of ArrayCast! Host: Conor Hoekstra Panel: Adám Brudzewsky Show Notes ArrayCast - November 8th, 2026 ArrayCast on Youtube arraycast.com New Website ArrayCast on BlueSky arraybox.dev FIXAPL More links will be added, check the website for updates .

Ch-ch-changes

Array Cast -November 7th, 2025 Show Notes This is the address of the Show notes on the ArrayCast website: https://www.arraycast.com/episode118-show-notes

Dr. Ken Iverson

Array Cast - October 24, 2025 Show Notes This is the address of the Show notes on the ArrayCast website: https://www.arraycast.com/episode117-show-notes

I.P. Sharp Associates - A Company Ahead of its Time

Array Cast - October 10, 2025 Show Notes This is the address of the Show notes on the ArrayCast website: https://www.arraycast.com/episode116-show-notes

Tacit to the Limit

Array Cast - September 26, 2025 Show Notes This is the address of the Show notes on the ArrayCast website: https://www.arraycast.com/episode115-show-notes

Gary Bergquist and Zark Utilities

Array Cast - September 12, 2025 Show Notes This is the address of the Show notes on the ArrayCast website: https://www.arraycast.com/episode114-show-notes

Exploring the Array Languages while Building Community

Array Cast - August 29, 2025 Show Notes This is the address of the Show notes on the ArrayCast website: https://www.arraycast.com/episode113-show-notes

KDB-X

Array Cast - August 15, 2025 Show Notes This is the address of the Show notes on the ArrayCast website: https://www.arraycast.com/episode112-show-notes

Asher Mancinelli's Ideal Array Language

Array Cast - August 1, 2025 Show Notes This is the address of the Show notes on the ArrayCast website: https://www.arraycast.com/episode111-show-notes

Implementing Replicate

Array Cast - July 18, 2025 Show Notes This is the address of the Show notes on the ArrayCast website: https://www.arraycast.com/episode110-show-notes