What is PhpDig?
PhpDig is a PHP MySQL based
Web Spider & Search Engine.

bcmul
Prev	II. Arbitrary-Precision Mathematics (BC) Functions	Next

bcmul

Name

bcmul — Multiplies two numbers.

Synopsis

string bcmul(left_operand, right_ operand[, scale]); string left_operand: Number to be multiplied string right_ operand: Number to multiply by int scale (optional): Number of decimal places to return

Returns

Product of two numbers

Description

Multiplies the value of the first number by the value of the second number and returns the result, formatted with a specified number of decimal places (optional). The following example shows BC's ability to handle huge numbers.

Version

Existing since version 3.0

Example

Example 11. Multiply two large numbers

$num1 = "9912343.34546";
$num2 = "34546.9912343";
echo bcmul($num1,$num2,3);

Output:
342441636328.624

Prev	Home	Next
bcmod	Up	bcpow

PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing (Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch). This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later (the latest version is presently available at http://www.opencontent.org/openpub/). The authors of this book have elected not to choose any options under the OPL. This online book was obtained from http://www.fooassociates.com/phpfer/ and is designed to provide information about the PHP programming language, focusing on PHP version 4.0.4 for the most part. The information is provided on an as-is basis, and no warranty or fitness is implied. All persons and entities shall have neither liability nor responsibility to any person or entity with respect to any loss or damage arising from the information contained in this book.