(PHP 4 >= 4.0.4, PHP 5, PHP 7) Compare numbers

(PECL trader >= 0.2.0) Modified Hikkake Pattern

(PECL trader >= 0.2.0) Moving Average Convergence/Divergence

(PECL trader >= 0.2.0) Hilbert Transform - SineWave

(PECL trader >= 0.2.0) Vector Arithmetic Div

(PECL trader >= 0.2.0) Standard Deviation

(PECL trader >= 0.2.0) Average Price array

(PECL trader >= 0.2.0) On Balance Volume array

(PECL stats >= 1.0.0) Not documented float

(PHP 5, PHP 7 >= 5.6.0) Take the integer part and remainder of nth root