#' Add together
#'
#' This function adds two numbers together.
#'
#' @param x a number.
#' @param y a number.
#'
#' @return
#' A number, the value of "x" pluss the value of "y"
#'
#' @author
#' Elisabeth Knudsen, Msc. student at the University of Iceland
#'
#' @seealso
#' \link{Arithmetic}, \code{\link{sum}}.
#'
#' @examples
#' add(134, 288)
#'
#' add(pi, 56)
#'
#' @export
add <- function(x,y)
{
out <- x+y
out
}
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