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How Did They Calculate the Square-Root of 3 & Things Like That Before They Had Calculators, or Even Slide Rules?
When I'm not teaching math at CWI, I am working on violins. I repair and make violins.
Given my educational background (physics & math), I have an interest in the conceptual design of the violin. As far as we know, the violin was invented in northern Italy in the 1500s.