1. Aug 19, 2012 #1

   student34

   

   I can't imagine that every possible equation is preprogrammed. If that is not the case, then how do the calulators know the answers?

    

   student34, Aug 19, 2012
2. 
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3. Aug 19, 2012 #2

   Charmar

   

   http://en.wikipedia.org/wiki/Calculator#Internal_working

    

   Charmar, Aug 19, 2012

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