Function: band pass(invert(numbers("xxy"))) if invert(numbers("xxy")) > numbers("per") else numbers("xxy") if invert(numbers("xxy")) > band pass(invert(numbers("xxy"))) else product(numbers("per") if numbers("xxy") > invert(numbers("xxy")) else band pass(invert(numbers("xxy"))), band pass(invert(numbers("xxy"))))
