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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.

Name |

### double

Examples |
    // Declare variable "a" of type double
    double a;
    // Assign to "a" the value 1.5387
    a = 1.5387;
    // Declare variable "b" and assign it the value -2.984
    double b = -2.984;
    // Declare variable "c" and assign it the sum of "a" and "b"
    double c = a + b;
Description | Datatype for floating-point numbers, a number that has a decimal point. Floating-point numbers are often used to approximate analog and continuous values because they have greater resolution than integers. Floating-point numbers can be as large as 1.7976931348623157E+308. They are stored as 64 bits (8 bytes) of information.
Syntax |
    double var
    double var = value
Parameters |

var | variable name referencing the float
value | any floating-point value

Usage | Application
Related | byte int unsigned int long unsigned long
float

Updated on July 07, 2011 11:08:10pm PDT