(PECL trader >= 0.2.0) Pearson's Correlation Coefficient (r)

(PHP 4, PHP 5, PHP 7) Seed the random number generator

(PHP 4, PHP 5, PHP 7) Round fractions down mixed

(PECL stats >= 1.0.0) Generates a single random deviate from a binomial distribution whose number of trials

(PHP 4, PHP 5, PHP 7) Subtract one arbitrary precision number from another

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

(PECL trader >= 0.2.0) Vector Trigonometric Cos

(PECL lapack >= 0.1.0) Calculate the linear least squares solution of a matrix using QR factorisation

(PECL trader >= 0.2.0) Doji Star array trader_cdldojistar

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