Function: minus(numbers("xxr") if 10 *(numbers('rrr')) > numbers("xxr") if 10 *(numbers('rrr')) > numbers('rrr') else numbers('yyx') else numbers('rrr'), numbers("xxr") if numbers('rrr') > 10 *(numbers('rrr')) else numbers('yyx')) if 10 *(numbers('rrr')) > 10 *(numbers('rrr')) if numbers("xxr") > numbers("xxr") if numbers('yyx') > 10 *(numbers('rrr')) else numbers('rrr') else numbers('rrr') else numbers('yyx') if numbers('rrr') > 10 *(numbers('rrr')) else numbers("xxr")