Function: minus(band pass(numbers('rep')), numbers('rep')) if band pass(numbers('rep')) > product(numbers('ryy') if band pass(numbers('rep')) > numbers('rep') else minus(band pass(numbers('rep')), numbers('rep')), minus(band pass(numbers('rep')), numbers('rep'))) else minus(band pass(numbers('rep')), numbers('rep')) if band pass(numbers('rep')) > numbers('ryy') else numbers('rep')