long

Description

Long variables are extended size variables for number storage, and store 32 bits (4 bytes), from -2,147,483,648 to 2,147,483,647.

Example

    long speedOfLight = 186000L;   // see Integer Constants for explanation of the 'L'

Syntax

    long var = val;

• var the long variable name
• val the value assigned to the variable

See Also

• byte
• int
• unsigned int
• unsigned long
• Integer Constants
• Variable Declaration

Reference Home

Corrections, suggestions, and new documentation should be posted to the Forum.

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