Function: band pass(minus(product(numbers("yyy"), numbers("xxr")) if numbers("xxr") > numbers('yyx') else numbers("yyy"), product(numbers("yyy"), numbers("xxr"))) if numbers('yyx') if numbers("yyy") > product(numbers("yyy"), numbers("xxr")) else numbers("xxr") > minus(product(numbers("yyy"), numbers("xxr")) if numbers("yyy") > numbers('yyx') else numbers("xxr"), product(numbers("yyy"), numbers("xxr"))) if product(numbers("yyy"), numbers("xxr")) > numbers("yyy") if numbers("xxr") > numbers('yyx') else product(numbers("yyy"), numbers("xxr")) else numbers("yyy") else product(numbers("yyy"), numbers("xxr")))
