Jay -

One source is John Walkenbach's:

http://www.j-walk.com/ss/excel/tips/tip101.htm

- Mike Middleton
http://www.DecisionToolworks.com
Decision Analysis Add-ins for Excel



"Jay" wrote in message
...
Hi,

Let's say I have 3 values, 9,10,12 for years 1,2 and 3. If I chart these
& add a logarithmic trendline for the next 6 years it gives me the
trendline - but what formula would give me the equivalent 6 forecast
values?

Any help greatly appreciated.......Jason