bcpow — Calculates the exponent of a number.
string bcpow(left_operand, right_operand[, scale]);
string left_operand: Number
to be raised
string right_operand: Number
to raise by
int scale (optional): Number
of decimal places to return
Value of exponent
Raises the left operand to the power of the right
operand. Either number can be an integer or
floating-point value. Returns the result with a specified
number of decimal places (optional).
Existing since version 3.0
Example 12. Raise to the power
of a large number
$num1 = "9912343.21";
$num2 = "2.35";
PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing
(Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch).
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