(PHP 5, PHP 7 >= 5.6.0) Take the integer part and remainder of nth root

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Calculate square root

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Calculate GCD

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Clear bit void

(PHP 5, PHP 7 >= 5.2.0) Find next prime number

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Factorial GMP

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Inverse by modulo

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Set bit void

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Compare numbers

(PHP 5, PHP 7 >= 5.6.1) Export to a binary string