http://trader.online.pl/MSZ/e-w-Twiggs_Money_Flow.html

Twigg's Money Flow

periods:=Input("TMF periods",1,100,21);
TRH:=Max(Ref(C,-1),H);
TRL:=Min(Ref(C,-1),L);
TR:=TRH-TRL;
ADV:=((C-TRL)-(TRH-C))/If(TR=0,999999,TR)*V;
WV:=V+(Ref(V,-1)*0);
If(Wilders(WV,periods)=0,0,Wilders(ADV,periods)/Wilders(WV,periods))