Math Question

I know that Perl has a function to determine the square root of a number.
For example, to determine the square root of 121 code "sqrt(121)". Is there a
built-in Perl function that enables one to determine the nth root of a number
where n is a number greater than 2. For example, is there a function that
enables me to determine that the 4th root of 81 is 3?

Thanks,

Frank

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