Function: minus(band pass(numbers('ryy')) if numbers('ryy') if band pass(numbers('ryy')) > tan(band pass(numbers('ryy'))) else numbers("per") > tan(band pass(numbers('ryy'))) else band pass(numbers('ryy')) if tan(band pass(numbers('ryy'))) if band pass(numbers('ryy')) > numbers("per") else numbers('ryy') > numbers('ryy') else tan(band pass(numbers('ryy'))), numbers('ryy') if band pass(numbers('ryy')) if numbers('ryy') > tan(band pass(numbers('ryy'))) else numbers("per") > tan(band pass(numbers('ryy'))) else band pass(numbers('ryy')))