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Phrase origin: Why do we "call" functions?

(quuxplusone.github.io)
173 points todsacerdoti | 1 comments | 09 Jul 25 04:04 UTC | HN request time: 0.226s | source
1. ranger_danger ◴[09 Jul 25 04:27 UTC] No.44506351[source]▶
I seem to remember people used to say "call it up" when asking an operator to perform a function on a computer when the result was displayed in front of the user.