From: Haibin Shi Date: 2013-05-08T01:14:07+09:00 Subject: Re: The question about 'Range' as Condition Hi Robert, Thanks in advance for your help! > No, it's not, because you change the number of range operators. But I still do not understand what's the *number* of range operators. Is the state of flip-flop only be kept within loop ? Cheers Haibin