Double fib 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 Double fib.rar contains Double fib.ex4 and Double fib.mq4)
Free Download Double fib mt4 indicator 
How to install Double fib in forex trading platform metatrader 4?
- Extract the downloaded Double fib.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 Double fib.ex4 and Double fib.mq4 files into indicators folder and restart the MetaTrader 4.
