*=

[Compound Operators]

Description

This is a convenient shorthand to perform multiplication of a variable with another constant or variable.

Syntax

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

Parameters

x: variable. Allowed data types: int, float, double, byte, short, long.
y: variable or constant. Allowed data types: int, float, double, byte, short, long.

Example Code

x = 2;
x *= 2; // x now contains 4

See also

• [Language] Normal Multiplication

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The text of the 86Duino reference is a modification of the Arduino reference and is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain.