Hi,

Here is some information on trendlines in charts.
http://office.microsoft.com/en-gb/ex...CH010003771033

Cheers
Andy

--

Andy Pope, Microsoft MVP - Excel
http://www.andypope.info
"StressedMentor" wrote in message
...
A college instructor requires a scatter diagram chart fitted or overlaid
with
a straight line, then determination of the formula that describes this
straight line. I cannot find a reference that states how to do this with
Excel 2003. Can anyone help?