Function: divide(band pass(numbers("xxr")), numbers("xxr")) if product(divide(band pass(numbers("xxr")), numbers("xxr")), band pass(numbers("xxr"))) > band pass(numbers("xxr")) else numbers("xxr") if divide(band pass(numbers("xxr")), numbers("xxr")) > band pass(numbers("xxr")) else product(divide(band pass(numbers("xxr")), numbers("xxr")), band pass(numbers("xxr")))