You could use this technique from Bernard Liengme's web site:

http://people.stfx.ca/bliengme/Excel...UnderCurve.htm

Calculate both areas, then subtract.

- 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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"Travis" wrote in message
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Is there a way to get excel to calculate the area between 2 graphs?