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    I found the sound of the printer hitting the paper in response to commands oddly satisfying and retro-futuristic (reminded me of films like WarGames). Also very fun to see how a REPL is really the logical way of interacting with a computer, even back when the “UI” was so limited.

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      with a computer, even back when the “UI” was so limited.

      Why are you quoting UI? It’s a UI, just as much as any terminal emulator, Graphical UI or sound-based-assistant is nowadays.

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        You’re right of course. It’s just not what we would typically think of as a UI nowadays.

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          It’s a TUI, Typewriter User Interface :P. Jokes aside, it’s very cool. I wonder if you could use some kind of disappearing ink and a paper loop to make this work without needing to replace the paper.

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      If I hit “[circle][backspace][star] then that’s the natural log

      Larry Wall would have been proud ;)