Function: divide(mean(numbers('xry'), numbers('yyx')), numbers('xry')) if numbers('yyx') if mean(numbers('xry'), numbers('yyx')) > divide(mean(numbers('xry'), numbers('yyx')), numbers('xry')) else numbers('xry') if divide(mean(numbers('xry'), numbers('yyx')), numbers('xry')) > numbers('xry') else mean(numbers('xry'), numbers('yyx')) > mean(numbers('xry'), numbers('yyx')) else divide(mean(numbers('xry'), numbers('yyx')), numbers('xry')) if numbers('xry') > numbers('yyx') else mean(numbers('xry'), numbers('yyx'))