{{keywords>wiki library source code example reference}}
===== pow =====
<code c>
    double pow(double, double );
</code>

pow() returns base raised to the exp power.


===== C Sourcecode Example =====
compile in linux with: gcc pow.c -o pow **-lm** -Wall

<code c>
#include <stdio.h> /* including standard library */
//#include <windows.h> /* uncomment this for Windows */

#include <math.h> /* including math library */

int main( void )
{
    printf ("4 to the 2th power is: %lf\n ", pow(4, 2));
    return 0;
}

</code>

==== output ====
  output:
   user@host:~$ /pow 
   4 to the 2th power is: 16.000000