D1:= (EMA((OPEN+HIGH+LOW+CLOSE)/4,3)+EMA((OPEN+HIGH+LOW+CLOSE)/4,6)+EMA((OPEN+HIGH+LOW+CLOSE)/4,9))/3;
D2:= (EMA((OPEN+HIGH+LOW+CLOSE)/4,5)+EMA((OPEN+HIGH+LOW+CLOSE)/4,10)+EMA((OPEN+HIGH+LOW+CLOSE)/4,20))/3;
D3:= (EMA((OPEN+HIGH+LOW+CLOSE)/4,7)+EMA((OPEN+HIGH+LOW+CLOSE)/4,14)+EMA((OPEN+HIGH+LOW+CLOSE)/4,28))/3;