How add float indicator?

 
I use float indicator in MetaTrader 3 (indicator is here http://www.moneytec.com/forums/show...highlight=float ) . I download MetaTrader 4 and I want add this indicator, what I must to do
 
You need to learn about mql4 also read "features of custom indicator creation". see also MetaEditor last build dictionary - we expanded samples on functions descriptions
 
Ok, thank you.