{ Downloaded From https://www.WiseStockTrader.com }
Periods:=Input("Time Periods",1,100,14);
PlusDM:=If(H>Ref(H,-1) AND L>=Ref(L,-1), H-Ref(H,-1),If(H>Ref(H,-1)
AND L<Ref(L,-1) AND H-Ref(H,-1) > Ref(L,-1)-L, H-Ref(H,-1),0));
PlusDI:=100*Wilders(PlusDM,Periods)/ATR(Periods);
MinusDM:=If(L<Ref(L,-1) AND H<=Ref(H,-1),Ref(L,-1)-L,If(H>Ref(H,-1)
AND L<Ref(L,-1) AND H-Ref(H,-1)<Ref(L,-1)-L, Ref(L,-1)-L,0));
MinusDI:=100*Wilders(MinusDM,Periods)/ATR(Periods);
DIDif:=Abs(PlusDI-MinusDI);
DISum:=PlusDI+MinusDI;
ADXFinal:=100*Wilders(DIDif/DISum,Periods);
ADXFinal