You can make a custom axis using a dummy XY series, then selectively rescale
your data to fit. Here are some examples of custom axis scales:

http://peltiertech.com/Excel/Charts/...tml#AxisScales

- Jon
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Jon Peltier, Microsoft Excel MVP
Peltier Technical Services
Tutorials and Custom Solutions
http://PeltierTech.com/
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"Alcoa" wrote in message
...
I have small numbers and then big numbers on the same chart. To better
represent all of the numbers I want 0-100 on the Y axis to be spread out,
showing a small intervals from each number, then from 100-500 I want the Y
axis to shrink and show large intervals between numbers