N:=20;MID:=MA(C,N);VART1:=POW((C-MID),2);VART2:=MA(VART1,N);VART3:=SQRT(VART2);UPPER:=MID+2*VART3;LOWER:=MID-2*VART3;:REF(MID,1),COLORFFFFFF;:IF(BOLL>REF(BOLL,1),BOLL,DRAWNULL),COLORRED,LINETHICK1;下降:IF(BOLL<REF(BOLL,1),BOLL,DRAWNULL),COLORGREEN,LINETHICK1;UB:REF(UPPER,1),COLOR00FFFF;LB:REF(LOWER,1),COLORFF00FF;