Function: band pass(product(sum(numbers("xyx") if numbers("yxx") if numbers("per") > numbers("xxr") else numbers("xyx") > numbers("per") else numbers("yxx"), numbers("yxx") if numbers("per") > numbers("xxr") else numbers("xyx")), numbers("per") if numbers("yxx") > numbers("xyx") else numbers("per") if numbers("xyx") > numbers("yxx") else numbers("xxr")))
