Var4:=HIGH-LOW;
Var5:=volVar1/Var4;
Var6:=VOLVar2/Var4;
Var7:=VOL*Var3/Var4;
Var8:=Var5-Var6-Var7;
ZL1: SUM(Var8,N1)/MA(VOL,N1)/N1;
ZL2: SUM(Var8,N2)/MA(VOL,N2)/N2;
ZL3: SUM(Var8,N3)/MA(VOL,N3)/N3;
ZL6: SUM(Var8,N4)/MA(VOL,N4)/N4;