HP48 Graphing Calculator as MIDI Keyboard

It’s hard to write the first line of this, because in this case any reference to Kraftwerk’s “Pocket Calculator” is wildly redundant. This is a calculator. He is the operator. This is a real, working HP48 graphing calculator playing MIDI events. You can go, like, graph stuff with it afterwards, do some Calculus. And we can thank a few people responding in a mobile music poll on this site for making it happen. Andrew Turley, who has previously built a microfiche MIDI machine (thus making his way through arcane academic equipment as MIDI controllers), describes the project: This is a …

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