Indicators: EMA7, EMA21, EMA359, SMA89, I need some help to find them.

 
A lot of people talk about the above Indicators, they use them to produce their strategies and then their EA; where do you get these these indicators or how do you produce them ? Is anybody wiling to let me know? Thank you very much!
 
Those are all MovingAverage indicator with EMA type seclected and the specified period chosen.
Reason: