NAME
    iroot - integer part of specified root

SYNOPSIS
    iroot(x, n)

TYPES
    x		nonnegative real
    n		positive integer

    return	nonnegative real

DESCRIPTION
    Return the greatest integer v for which v^n <= x.

EXAMPLE
    > print iroot(100,3), iroot(274,3), iroot(1,9), iroot(pi()^8,5)
    4 6 1 6

LIMITS
    n > 0

LIBRARY
    NUMBER *qiroot(NUMBER *x, NUMBER* n)

SEE ALSO
    isqrt, sqrt