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  1. Sirsh

    Squared numbers

    Oh okay, thanks.
  2. Sirsh

    Squared numbers

    Why do negative numbers which are squared by a even number always return as a negative while using a calculator? e.g. (-1)^2 = 1, except calculators say -1, even though -1*-1 = 1 :S:S
  3. Sirsh

    College Algebra Calculator ?

    You're gonna fail if you don't know algebra.
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