Function: band pass(minus(numbers("xyx"), numbers("xyx")) if numbers("xyx") > minus(numbers("xyx"), numbers("xyx")) if numbers("xyx") > numbers("xyx") else numbers('yxy') else numbers("xyx") if numbers("xyx") > numbers("xyx") if numbers('yxy') > numbers("xyx") else minus(numbers("xyx"), numbers("xyx")) else minus(numbers("xyx"), numbers("xyx")))