Arduino Programming Language: IncrementCompound

Name

+= , -= , *= , /=

Description

Perform a mathematical operation on a variable with another constant or variable. The += (et al) operators are just a convenient shorthand for the expanded syntax, listed below.

Syntax

x += y; // equivalent to the expression x = x + y;
x -= y; // equivalent to the expression x = x - y;
x *= y; // equivalent to the expression x = x * y;
x /= y; // equivalent to the expression x = x / y;

Parameters

  • x: any variable type
  • y: any variable type or constant

Usage

Application

Examples

x = 2;
x += 4; // x now contains 6
x -= 3; // x now contains 3
x *= 10; // x now contains 30
x /= 2; // x now contains 15


Based on the reference originally written by Arduino Community,  wiring.org.co and  arduino.cc