AA:=(C-MA(C,9))/STD(C,4); AA1:=1+POW(AA,2); AA2:=1*AA1; AA3:=AA/AA2; BETA1:ASIN(AA3)*100 COLORMAGENTA; BETA2:SUM(BETA1,2) COLORWHITE; BETA3:SUM(BETA2,2) COLORYELLOW; DRAWICON(BETA1<0 AND CROSS(BETA2,BETA3),BETA3,1);
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