h.bet

强大的数学工具包

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                               *    [ ]    *
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        "absolute value"

        [ ] computes the absolute value. It can be used for
        expressions whose values are elements of Z, Q, R and C.
        

        Example 1: (correct)

                [lcm(76, 34) - 2*(-23)]


        Example 2: (incorrect)

                [x^2 + y*z]

_ERR_NR_009