On Thu, 18 Aug 2011 17:02:35 -0400, Mike Myers <[email protected]> wrote: > >I never worked on the 407, but I'm guessing that if it could multiply, >it could probably divide. > >As a field engineer, I did maintain the IBM 602, which was >electro-mechanical and card based, but could both multiply and divide. > IIRC, I once worked with a mechanical desk calculator that could divide but not multiply. It was easy enough to multiply with shifts and a deft touch on the typematic "+" key.
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