S1:=CLOSE OPEN;
S2:=CLOSE OPEN AND REF(CLOSE,1) CLOSE AND OPEN REF(CLOSE,1);
S3:=OPEN REF(LOW,1) AND CLOSE OPEN;
A1:=REF(S1,2);
A2:=REF(S2,1);
A3:=A1 AND A2 AND S3;
DRAWICON(A3,LOW*0.99,1);

{
选股公式;

S1:=CLOSE OPEN;
S2:=CLOSE OPEN AND REF(CLOSE,1) CLOSE AND OPEN REF(CLOSE,1);
S3:=OPEN REF(LOW,1) AND CLOSE OPEN;
A1:=REF(S1,2);
A2:=REF(S2,1);
A3:A1 AND A2 AND S3;
}