Function: band pass(round(min(minus(product(numbers('xyy'), numbers("xxr")), numbers('xyy')) if product(numbers('xyy'), numbers("xxr")) > numbers('xyy') else numbers("xxr"), minus(product(numbers('xyy'), numbers("xxr")), numbers('xyy'))), numbers("xxr") if numbers('xyy') > product(numbers('xyy'), numbers("xxr")) else minus(product(numbers('xyy'), numbers("xxr")), numbers('xyy'))))
