One-argument form See also two-argument form Add
+ returns the value of the numeric expression to its right. (See also Œ 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 3½¼6) (Argument displayed unchanged) ¯1 0 17 1 2 3 4 5 6