Hi,
You have to use VBA code to do this.
Jon Peltier has an explanation
http://peltiertech.com/Excel/Charts/AxisScaleLinkToSheet.html
And Tushar Mehta has an addin
http://tushar-mehta.com/excel/software/autochart/index.html
Cheers
Andy
> How can I set the X and Y axis minimum and maximum values by reference to
> variable numbers in cells.

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Andy Pope, Microsoft MVP - Excel
http://www.andypope.info