(PHP 4, PHP 5, PHP 7) Convert a number between arbitrary bases
(PHP 4, PHP 5, PHP 7) Round fractions up float
(PHP 4, PHP 5, PHP 7) Arc sine float asin ( float
(PHP 4 >= 4.1.0, PHP 5, PHP 7) Inverse hyperbolic tangent
(PHP 4, PHP 5, PHP 7) Converts the number in degrees to the radian equivalent
(PHP 4 >= 4.1.0, PHP 5, PHP 7) Hyperbolic cosine
(PHP 4, PHP 5, PHP 7) Arc cosine float acos (
(PHP 4, PHP 5, PHP 7) Seed the better random number generator
(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) Octal to decimal number
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