buy sell arrows

["David Holzgrefe" <dtholz@xxxx>]

hi Tomasz , for some reason this afl doesnot invoke 
the buy sell arrow i am using the latest ami 3.9
 
also i noticed that the from to date in the range 
box doesn't appear to work ?
 
 
thanks David
 
annvol =  sum(v,260)/52 ;
 
 
 
buy =v>annvol ;sell 
=0;