Function: band pass(numbers("per")) if numbers("per") > noise(numbers("per") if numbers("xxr") > numbers('xry') else band pass(numbers("per"))) else numbers('xry') if numbers("xxr") > numbers("per") else band pass(numbers("per")) if noise(numbers("xxr") if numbers("per") > band pass(numbers("per")) else numbers('xry')) > band pass(numbers("per")) if numbers('xry') > numbers("xxr") else numbers("per") else band pass(numbers("per"))
