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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 |

### pow()

Examples |
    float a = pow( 1, 3);  // Sets "a" to 1*1*1 = 1
    float b = pow( 3, 5);  // Sets "b" to 3*3*3*3*3 = 243
    float c = pow( 3,-5);  // Sets "c" to 1 / 3*3*3*3*3 = 1 / 243 = .0041
    float d = pow(-3, 5);  // Sets "d" to -3*-3*-3*-3*-3 = -243
Description | Facilitates exponential expressions. The pow() function is an efficient way of multiplying numbers by themselves (or their reciprocal) in large quantities. For example, pow(3, 5) is equivalent to the expression 3*3*3*3*3 and pow(3, -5) is equivalent to 1 / 3*3*3*3*3.
Syntax |
    pow(base, exponent)
Parameters |

base | int or float: base of the exponential expression
exponent | int or float: power of which to raise the base

Returns | float
Usage | Application
Related | sqrt()

Updated on July 07, 2011 11:08:48pm PDT