+ Conjugate

One-argument form  See also two-argument form Add

+ returns the value of the numeric expression to its right. (See also ⎕ output which can be used for a similar purpose.) Contrast the first example below, which places the result of a multiplication in COST, but does not display it, with the second:

             COST  ← 320×8.56         (No result displayed)
             +COST ← 320×8.56         (Result displayed)
       2739.2
             +(¯1 0 17) (2 3⍴⍳6)      (Argument displayed unchanged)
        ¯1 0 17    1 2 3
                   4 5 6