Mathematicians and others -- can you still use a slide rule?

Mathematicians and others -- can you still use a slide rule?
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answer:We had a couple at home when I was growing up, so I learned (to satisfy my curiosity) even though they had long since been replaced by calculators by the time I got to school. There are devices that I commonly use in my work that use similar skills/principles, like vernier calipers and tapes that measure diameter (not circumference) when wrapped around a tree.
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