> His languages take significantly after APL, which was a very popular language ... | Hacker News

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		jandrese 5 months ago \| parent \| context \| favorite \| on: Learning to read Arthur Whitney's C to become smar... > His languages take significantly after APL, which was a very popular language for similar applications before the invention of (qwerty) keyboards. Ok, so this article is tongue in cheek. Good to know that up front.

internet_points 5 months ago [–]

https://en.wikipedia.org/wiki/APL_(programming_language)#Har...

you would add a special "typeball" into your IBM Selectric Typewriter. Some pics:

https://www.duxburysystems.org/downloads/library/texas/apple...

https://pierce.smugmug.com/Misc/APL-Typeball/i-pjq6hWC

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