(PECL trader >= 0.2.0) Commodity Channel Index

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

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

(PECL trader >= 0.2.0) Spinning Top array

(PECL stats >= 1.0.0) Not documented float