Publisher review:Big Number Calculator class can be used to add arbitrary precision numbers in pure PHP. This class can be used to add arbitrary precision numbers in pure PHP.
It takes two decimal numbers represented as strings of unlimited length and performs an addition digit by digit. The result is another decimal number represented as a string. Requirements: ยท PHP 5.0
Big Number Calculator is a PHP script for PHP Classes scripts design by Protung Dragos.
It runs on following operating system: Windows / Linux / Mac OS / BSD / Solaris.
Operating system:Windows / Linux / Mac OS / BSD / Solaris
Big Number Calculator script details 
