Function: sum(band pass(numbers("per")), numbers("per")) if numbers("per") if sum(band pass(numbers("per")), numbers("per")) > numbers("yyy") else band pass(numbers("per")) > band pass(numbers("per")) else sum(band pass(numbers("per")), numbers("per")) if numbers("per") > sum(band pass(numbers("per")), numbers("per")) if numbers("yyy") > numbers("per") else band pass(numbers("per")) else band pass(numbers("per"))