Indicator NMA (Navel Moving Average) - a moving average calculated by the formula:
where:
It has two parameters:

Tradotto dal russo da MetaQuotes Ltd.
Codice originale https://www.mql5.com/ru/code/21040
IDWMA
Indicator Inverse Distance Weighted Moving Average.
haDifference
Indicator Heikin-Ashi Difference.