PHP/Math/pow

number pow ( number base, number exponent), a base and a power to raise it by

 
<?
    print pow(10,2); // 100
    print pow(10,3); // 1000
    print pow(10,4); // 10000
    print pow(-10, 4); // 10000
?>

Using the pow() function with integers, floats, and both negative and positive numbers.

 
<?php
echo pow(2, 8) . "\n";
echo pow(-2, 5) . "\n";
echo pow(0, 0) . "\n";
echo pow(M_E, 1) . "\n";
echo pow(3.2, 4.5) . "\n";
echo pow(2, -2) . "\n";
echo pow(-2, -3) . "\n";
echo pow(9, 0.5) . "\n";
?>