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Big Number Calculator: Add arbitrary precision numbers in pure PHP

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Version License PHP version Categories
bignumbercalculator 1.0GNU Lesser Genera...5PHP 5, Math
Description Author

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.

Innovation Award
PHP Programming Innovation award nominee
December 2006
Number 5


Prize: One subscription to the PDF edition of the magazine by PHP Architect
Arbitrary precision numbers can be used to perform mathematical operations without loosing the precision of the results.

PHP applications can use the bcmath extension to perform arbitrary precision operations. However, this extension is not always available in all PHP installations.

This class provides a pure PHP based solution to perform basic operations with arbitrary precision numbers. It can be used in environments where bcmath extension is not available.


Manuel Lemos
Picture of Protung Dragos
Name: Protung Dragos is available for providing paid consulting. Contact Protung Dragos .
Classes: 10 packages by
Country: Germany Germany
Age: 33
All time rank: 343 in Germany Germany
Week rank: 39 Down2 in Germany Germany Up
Innovation award
Innovation award
Nominee: 3x

Details
       _____________________________________________________

                   Calculator - Version 1
                         November 2006
       _____________________________________________________

                Copyright (c) 2006 Dragos Protung

_______________________

CONTENTS
_______________________

1. Description
2. System Requirements
3. How to use
4. Contact

_______________________

1. Product Description
_______________________

A PHP class that can add positive floating numbers with precision even if they are infinite big.

_______________________

2. System Requirements
_______________________

PHP 5.x

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3. How to use
______________

Create a new object
$calc = new calculator();

You can add numbers using the addNumber method like
	$calc->addNumber("9283476109487129740712657109832.78");
		or
	$calc->addNumber("4386120876213943720417240982137.23");

To get the result use call $calc->calc();

______________

3. Contact
______________

Please send your suggestions, bug reports and general feedback to dragos@protung.ro
Also visit http://www.protung.ro


Out for now ;)
  Files folder image Files  
File Role Description
Plain text file calculator.php Class Main class
Accessible without login Plain text file example.php Example Example of usage
Accessible without login Plain text file license.txt Lic. License file
Accessible without login Plain text file readme.txt Doc. Documentation

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