(PHP 4, PHP 5, PHP 7) Round fractions up float

(PHP 4, PHP 5, PHP 7) Cosine float cos ( float

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Calculate the length of the hypotenuse of a right-angle triangle

(PHP 4, PHP 5, PHP 7) Tangent float tan ( float

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Hyperbolic cosine

(PHP 4, PHP 5, PHP 7) Sine float sin ( float

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

(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) Show largest possible random value