# Radians

Revision as of 21:41, 17 May 2011 by imported>Clippy

**Radians** are units of measure based on the value of 2 * PI. There are **6.283185307179586** radians in a **360º** rotation.

- To convert from radians to degrees:
**degrees = radians * 180 / π**= radians * 57.2958

- To convert from degrees to radians:
**radians = degrees * π / 180**= degrees * .017453

- For other formulas and a radian chart go to the following link: Radian WIKI

- A program can calculate PI for you using the ATN function:
**π = 4 * ATN(1#)**

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