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THE VIDEO SHELF · apl programming language

APL demonstration 1975

A 1975 live demonstration of the APL language by Imperial College professor Bob Spence, showing a REPL on a modified typewriter terminal and APL's appeal to non-programmers.

Why HN readers recommended it

Recommended as a charming, from-zero introduction to APL and a window into early interactive computing.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel
Imperial College London
Topic
apl programming language
Format
demo
Level
intro
HN recommenders in dataset
5
HN mentions in dataset
8
Recommendation years in dataset
2014–2021

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

  • APL without native fonts isn't fun at all. This is real fibonacci in APL: [LINK] [LINK] This is a nice introduction into APL: [VIDEO] And this is how APL is applied in the right way: [LINK]

    progman on Hacker News · 2014-11
    In J for C Programmers
  • I think this is a good youtube video for someone starting from zero: [VIDEO] An issue is how to enter the symbols. The way I do it is I created some input methods for Mac and Windows which use at-signs followed by the APL community …

    cgrubb on Hacker News · 2017-03
    In GNU APL 1.7 Released
  • There is something so charming about the attached video [0]. It's very reminiscent of the original APL demonstration [1] from 1975. I love it! 0. [LINK] 1. [VIDEO]

    curiousgal on Hacker News · 2019-08
    In J can look like APL or English

Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.