Function: minus(min(numbers('ryy'), numbers("xxx")) if numbers('ryy') > numbers('ryy') if min(min(numbers('ryy'), numbers("xxx")), numbers('ryy')) > min(numbers('ryy'), numbers("xxx")) else numbers("xxx") else min(min(numbers('ryy'), numbers("xxx")), numbers('ryy')), numbers('ryy') if numbers("xxx") > min(min(numbers('ryy'), numbers("xxx")), numbers('ryy')) else min(numbers('ryy'), numbers("xxx")))