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Published on Mar 16, 2012
Cool CS Math :-)
helpful reddit comment: " smart CS guy You mean a mathematician - John Napier That is the method that allows you to multiply on a slide rule. And it far predates mechanical cash registers. EDIT: Also... There is an easier way in binary. It's called Peasant's Multiplication. http://en.wikipedia.org/wiki/Peasant_... For a computer Shift and Add is even easier. http://en.wikipedia.org/wiki/Multipli... " ~ plbogen