(PECL stats >= 1.0.0) Not documented float

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Inverse hyperbolic sine

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

(PECL stats >= 1.0.0) Not documented float

(PECL trader >= 0.2.0) Vector Trigonometric Cos

(PECL trader >= 0.2.0) Lowest value over a specified period

(PECL trader >= 0.2.0) Index of lowest value over a specified period

(PECL trader >= 0.2.0) Vector Trigonometric Cosh

(PECL trader >= 0.2.0) True Range array trader_trange

(PECL trader >= 0.2.0) Advance Block array