| Index

| Reference for Wiring 1.0 (ALPHA) 0021+. If you have a previous version, use the reference included with your software. If you see any errors or have any comments, let us know.

Name |  | ### TWO_PI (6.28318...)
Examples |  |
Description |  | TWO_PI is a mathematical constant with the value 6.28318530717958647693. It is twice the ratio of the circumference of a circle to its diameter. It is useful in combination with the trigonometric functions sin() and cos().
Syntax |  |
    TWO_PI
Usage |  | Application
Related |  | PI HALF_PI