Pure-PHP arbitrary precision integer arithmetic library.

Supports base-2, base-10, base-16, and base-256 numbers. Uses the GMP or BCMath extensions, if available, and an internal implementation, otherwise.

$ pear install Math_BigInteger

$ composer require pear/math_biginteger

See the examples in the demo/ directory.

Homepage

http://pear.php.net/package/Math_BigInteger

Bug tracker

http://pear.php.net/bugs/search.php?cmd=display&package_name[]=Math_BigInteger

Source code

https://github.com/pear/Math_BigInteger