(PECL trader >= 0.2.0) Lowest and highest values over a specified period

(PECL trader >= 0.2.0) Absolute Price Oscillator

(PECL trader >= 0.2.0) Aroon Oscillator array

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

(PECL trader >= 0.2.0) Hilbert Transform - Instantaneous Trendline

(PECL stats >= 1.0.0) Generates random deviate from the distribution of a noncentral chisquare with "df"

(PECL stats >= 1.0.0) Not documented float

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

(PHP 4, PHP 5, PHP 7) Raise an arbitrary precision number to another

(PECL stats >= 1.0.0) Not documented array