\name{fourthroot} \alias{fourthroot} \title{Compute the Fourth Root} \description{ Compute the Fourth Root of a Non-negative Number } \usage{ fourthroot(x) } \arguments{ \item{x}{a non-negative number.} } \seealso{ \code{\link{sqrt},\link{cuberoot},\link{fifthroot}} } \examples{ # fourth root of 16 fourthroot(16) } \keyword{math}