把（买卖指标）改成选股公式

编写要求：

请老师把（买卖指标）出现买入信号改成通达信选股公式谢谢，自己改了下但是选不出股 请老师帮忙VAR1:=(100 - ((90 * (HHV(HIGH,21) - CLOSE)) / (HHV(HIGH,21) - LLV(LOW,21))));VAR2:=(100 - ((90 * (HHV(HIGH,21) - CLOSE)) / (HHV(HIGH,21) - LLV(LOW,21))));VAR3:=(100 - MA(((100 * (HHV(HIGH,6) - CLOSE)) / (HHV(HIGH,6) - LLV(LOW,6))),34));DRAWICON(CROSS(VAR2,MA(VAR3,6)),(LOW * 0.998),1);DRAWICON(CROSS(MA(VAR3,6),VAR1),(HIGH * 1.013),2);DRAWTEXT(CROSS(VAR2,MA(VAR3,6)),(LOW * 0.984),'买入'),COLOR4440FF;DRAWTEXT(CROSS(MA(VAR3,6),VAR1),(HIGH * 1.035),'卖出'),COLORFFFF34;年:MA(CLOSE,26),COLORGREEN;

解答：