Function: sqrt(numbers("per") if numbers("per") > numbers('yxr') else mean(numbers('yxr'), numbers("per")) if numbers("per") > mean(numbers('yxr'), numbers("per")) else numbers('yxr') if mean(numbers('yxr'), numbers("per")) > numbers('yxr') else mean(numbers('yxr'), numbers("per")) if numbers("per") > numbers('yxr') else numbers("per"))
