Hi Ryan

Rather than me typing in a long reply, I think this link should help you out:

http://peltiertech.com/Excel/Charts/ArbitraryAxis.html

" wrote:

can you customized y axis values, instead of going to scale? for
example I'd like to use

P609, P709,P809 etc, (it means period 6 2009, etc) can I program this
into the y axis instead of using scale 0-30?

Ryan