There's no built in way offered by Excel for this. It could be done
programmatically.

- Jon
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Jon Peltier, Microsoft Excel MVP
Peltier Technical Services
Tutorials and Custom Solutions
http://PeltierTech.com/
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"CarolM" wrote in message
...
For ease of reading, I would like to link zero points and make the tick
mark
distances the same for both primary and secondary axes (with different
scaling, though). Is there a way to do this besides setting the scaling
manually?