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A comment on How to Set Up an OpAmp Circuit to Do Complex Mathematics.

Re:How to Set Up an OpAmp Circuit to Do Complex Mathematics by bsamuels on Friday February 17, 2017 @11:37AM (#13669515)
you don't even need electronics to make a computer! here's a 1953 training film for a mechanical fire control computer

https://www.youtube.com/watch?v=s1i-dnAH9Y4

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Re:How to Set Up an OpAmp Circuit to Do Complex Mathematics by gozur88 on Friday February 17, 2017 @02:58PM (#13671190)
This kind of stuff fascinates me. There's an amazing amount of intelligence you can put into oddly-shaped cams.
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