For a slightly different take on the matter see
Stacked Charts
http://www.tushar-mehta.com/excel/ne...rts/index.html

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Regards,

Tushar Mehta
www.tushar-mehta.com
Excel, PowerPoint, and VBA add-ins, tutorials
Custom MS Office productivity solutions

In article ,
says...
Hi

I have three charts in excel that share the X-axis but have different Y -axis
They are different time varying phenomena. I want to plot them in a singel
graph with a split Y-axis splitting the graph into three parts