Roc is a mt4 (MetaTrader 4) indicator and it can be used with any forex trading systems / strategies for additional confirmation of trading entries or exits.
(downloadable file Roc.rar contains Roc.ex4 and Roc.mq4)
Free Download Roc mt4 indicator 
How to install Roc in forex trading platform metatrader 4?
- Extract the downloaded Roc.rar.
- Go to “File menu” in Mt4 trading platform and click “open data folder”. Open Mql4 folder and open the indicators folder.
- Now paste the Roc.ex4 and Roc.mq4 files into indicators folder and restart the MetaTrader 4.
