Detailed explanation of a MT4 indicator

 
I have a MT4 indicator, which gives me buy and sell signal. I am not sure how it works and what calculation it uses. What's the best way to figure it out?
 
Your topic has been moved to the section: MQL4 and MetaTrader 4
Please consider which section is most appropriate — https://www.mql5.com/en/forum/172166/page6#comment_49114893
 
Kalpesh Acharya: What's the best way to figure it out?

Asking the seller or author for support!

If that is not possible, then you have to analyse the source code and figure out how it works.

If you don't have the source code, then you can try to deduce how it works by repeated observation.