(PHP 4, PHP 5, PHP 7) Square root float sqrt

(PHP 4, PHP 5, PHP 7) Show largest possible random value

(PHP 4, PHP 5, PHP 7) Rounds a float float round

(PHP 4, PHP 5, PHP 7) Decimal to binary string

(PHP 4, PHP 5, PHP 7) Exponential expression

(PHP 4, PHP 5, PHP 7) Absolute value number abs

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Finds whether a value is not a number

(PHP 4, PHP 5, PHP 7) Combined linear congruential generator

(PHP 4, PHP 5, PHP 7) Find highest value mixed

(PHP 7) Integer division int intdiv ( int $dividend