The '+' function adds a list of numbers together and returns the result.
(+ 1) => 1 (+ 1 2) => 3 (+ 1 2 3) => 6 (+ 1 2 3 4) => 10
> (print (+ 1 2 (* 3.5 (/ 3.9 1.45)))) 12.4138 ; screen output of PRINT 12.4138 ; return value
See * , / , print. XLISP first prints the value on the screen, the second number is the return value.
See also: