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Thread: constant and variable

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    constant and variable




    Can anyone give me a good definition as to how to tell the difference between a constant and a variable. For instance, the number of windows in a house is a constant.

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    A constant will not change, ever.

    A variable is always subject to change.

    If you're talking about 1 particular house at a given moment in time, yes, the number of windows is a constant. But a homeowner always has the option to add or remove windows, right?

    If you're talking about the number of windows in a certain population of houses, then it's a variable.

    Do you have some specific questions around this?

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