VAR2:=MA(VAR 1,7);
VAR3:=VAR2-MA(VAR 1,7/2)& lt; 0;
VAR4:=VAR2-MA(VAR 1,7/2)>0;
var 5:= bars last(var 3);
var 6:= 0-bars last(var 4);
var 7:= IF(var 3 & lt; =0,VAR5,var 6);
Buying and selling: = (-1) * var 7;
Strength limit: = 0;
XG:C & gt; =MA(C, 60) and MA(C, 5)>REF(MA(C, 5), 1) and CROSS (business, 0);
{Personal opinion, for reference only. }