Reference for Wiring version 1.0 Build 0100+ If you have a previous version, use the reference included with your software. If see any errors or have any comments, let us know.
+= (add assign)
int a = 50; int b = 23; a += b; // sets "a" to 73
|Description||Combines addition with assignment. The expression a += b is equivalent to a = a + b.|
value1 += value2
-= (subtract assign)