Function: minus(divide(numbers('yyx'), numbers("xxy")) if numbers('yyx') > product(divide(numbers('yyx'), numbers("xxy")), numbers('yyx')) else minus(product(divide(numbers('yyx'), numbers("xxy")), numbers('yyx')), divide(numbers('yyx'), numbers("xxy"))), minus(product(divide(numbers('yyx'), numbers("xxy")), numbers('yyx')), divide(numbers('yyx'), numbers("xxy"))))