This tutorial may help:

http://peltiertech.com/Excel/Charts/AlignXon2Ys.html

- Jon
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Jon Peltier, Microsoft Excel MVP
Tutorials and Custom Solutions
Peltier Technical Services, Inc. - http://PeltierTech.com
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"TC2004" wrote in message
...
I have a chart with a primary and secondary axis.

Values for the primary axis range from 0 to 260, values for the secondary
axis range from -50% to 50%.

I would like to have the zeros on both axis line up, so that the negative
percentages on the secondary axis are clearly identifiable. I can't find
a
way to do it.

In the default chart, the x axis crosses the primary y-axis at 0, but the
0
on the secondary y-axis is at approximately the same height as the value
50
on the primary axis.

Please help!
Astrid