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Math Help - Is there such a program for plugging in values?

  1. #1
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    Question Is there such a program for plugging in values?

    Is there a program or website out there that could take a formula and then take inputs of x values and give out the formula's y values? For example such as f(x) = x^2 + 1. I need this because I have some long equations that have negatives, decimals, square roots and such and using a scientific calculator would take ages to complete.

    Also would a website such as Wolfram|Alpha do the trick? I have tried entering in f(2) = x^2 + 1 but it doesn't give me the outcome of 5. Thanks.
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  2. #2
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    If I understand your question correctly, then yes there are 100's of packages out there that can do that as that is really just the crust of scientific computing.

    Personally I like to use Matlab, but Octave is free alternative. Here is an example of using matlab or octave for what you want.

    Code:
    >> f = @(x) x^2 + 1
    >> f(1)
    >> ans = 2
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  3. #3
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    There are many free CAS packages which do this, but Wolfram Alpha can do this as well.
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