5日線呈大於45度的斜率向上翹起，怎樣寫成通達信的選股公式呀？

X2X:=EMA(X1X,6);

X3X:=EMA(X2X,5);

BB13:=ATAN(EMA(X1X,13)-REF(EMA(X1X,13),1))*3.1416*10;

EMA8:=EMA(C,8);

DRAWTEXT(FILTER(BB13>1 AND EMA(X1X,13)>REF(EMA(X1X,8),1),10),

EMA8,'∠45上升'),COLORWHITE;