Create a directory here: C:\Program Files\eSignal\Formulas and drop the file in there. It will then be accessible via the Formulas menu item. The VWAP efs also uses an additional library (amStudies.efsLib, I think). That goes here: C:\Program Files\eSignal\FunctionLibrary
Hey Bernoulli, have you tried to install the efs on e-signal yourself? I did what you said and I formula ouput returns: vwap2.efs, line 46: Formula file not found: amStudies.efsLib Could it possibly something wrong with the file?
Yes, I installed. Use hektor's links to get the missing file and my last post to find where to put it.
Here's the link you're looking for: http://share.esignal.com/groupcontents.jsp?folder=Formulas-Libraries&groupid=10