Arbitrary-precision arithmetic library for PHP
Powerful modern math library for PHP
A money and currency library for PHP
Mathematical tools for physics and engineer
Everything you need to prepare for your technical interview
Math Facts practice for classrooms or homes
PHP SERVER - GENERAL PHP PERFORMANCE COMPARISON SCRIPT
Web based Chart calculation Tool
lite and flexibel interpreter
A class for doing checks, math and conversions on IPv4 addresses
A simple script for distributed computing through PHP: