Need Help to combine Bolinger Band & Parabolic Sar

 

i need to place orders using Bolinger band & Parabolic Sar. After touching B.Band need to wait for PSar Signal. but when come Psar signal price come inside from B.Band. so in this case i need to keep B.band signal in memory to use later & after place order need to clear memory. how to do this? i haven't any idea. someone help me.. please....

 
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