Dear Lorax, Good afternoon.
I did an example to you.
It uses an auxiliar column.
It was developed using Excel 2003.
It´s he http://www.4shared.com/document/sspz..._Lorax_V1.html
__________________
I hope it can help you.
Best regards,
Marcilio Lobão
---------------------------
Belo Horizonte, Brazil
|