dear leah,
Sorry for being very late, actually i had my own experiments and i was busy in them. So finally when i started doing assignement i realized that i forgot to give you that XPS booklet. Also i tried to look for the one achim showed but couldn't find it. So here is the link for the other one.Hope it may help you.
http://www.xpsdata.com/XI_BE_Lookup_table.pdfThanks and all d bst for assignment. we will discuss this afternoon.
Tripta