Var 1:=(2 * close+high+low)/4;
var 2:= EXPMA(EXPMA(EXPMA(var 1,4),4);
J: =(VAR2-REF(VAR2, 1))/REF(VAR2, 1)* 100;
D: =MA(J,3);
K: =MA(J, 1);
XG:CROSS(0,K);
Do you want to wear a 0-axis?