Made some changes compared to the originally indicator based on Linda Rashke's idea: original has only period 1 and it only uses ema for calculation.
Translated from Russian by MetaQuotes Software Corp.
Original code: https://www.mql5.com/ru/code/16531
The classic Aroon Oscillator in the new visual form.Adaptive Laguerre
Adaptive Laguerre filter with the usual set of 20 types of prices.