How do I plot a parabolic curve from 2 data points in excel?

I want to be able to trend a Parabolic (i.e. diminishing returns) curve in
excel (rather than linear straight line trend)- any idea how I do this??

You need 3 points to uniquely plot a curve - or you need other assumptions.

HTH,
Bernie
MS Excel MVP


"Paula C" <Paula C@discussions.microsoft.com> wrote in message
news:CF762BD3-E379-4C67-840C-59CFE3DF2D4A@microsoft.com...
>I want to be able to trend a Parabolic (i.e. diminishing returns) curve in
> excel (rather than linear straight line trend)- any idea how I do this??