Function: band pass(minus(numbers('rep'), numbers('epe'))) if numbers('epe') if minus(numbers('rep'), numbers('epe')) > band pass(minus(numbers('rep'), numbers('epe'))) else numbers('rep') > 100 *(band pass(minus(numbers('rep'), numbers('epe'))) if minus(numbers('rep'), numbers('epe')) > numbers('epe') else numbers('rep')) else minus(numbers('rep'), numbers('epe'))