(PECL stats >= 1.0.0) Calculates any one parameter of the gamma distribution given values for the others

(PHP 4, PHP 5, PHP 7) Get value of pi float pi

(PECL trader >= 0.2.0) Chaikin A/D Oscillator

(PECL stats >= 1.0.0) Not documented float

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Bitwise XOR

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

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

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Population count

(PECL stats >= 1.0.0) Not documented float

(PECL stats >= 1.0.0) Generates a random deviate