@troubleMoney I've seen one of those in operation, but I have no idea how to use it.
@arielmt I know how to use one of them for multiplication and division but doing trig on them might as well be magic
Actually trig in general might as well be magic to me, was never good at that
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@troubleMoney I can do trig, but if I don't have a pushbutton calculator for sines, cosines, & square roots, I can't do it without lookup tables.
