Ha Ha. Touche':)

When using a slide rule, try 22/7.

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Originally Posted by eeseely

When using a slide rule, try 22/7.

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A slide rule?! Now there's some practical advice! What value do you recommend we use for pi when doing calculations on an abacus?;)

Actually, I do value the simplicity of the slide rule, and the discipline it drove in keeping your powers of 10 straight. But I suspect you and I may be only two people on this forum who have had the pleasure of suffering through Chem and Physics exams having to do calculations with a slide rule!

I can't give advice re: using an abacus, but I had a lot of experience using the slide rule while obtaining my BSEE at Penn State.