See

Drawing Supply and Demand curves in Excel
http://www.tushar-mehta.com/excel/ch...mand/index.htm

Or, maybe, all you want to know is that you should put the quantity in
the 1st column, the price in the 2nd column, select any cell in that
range, and use the chart wizard to create a XY Scatter chart (*not* a
Line chart)

On Sun, 3 Aug 2008 21:44:06 -0700, Dlamk
wrote:

I would like to draw a curve from two series of data by using excel.
Series
of Price and Quantity.
Thank for helping me

Regards,

Tushar Mehta
Microsoft MVP Excel 2000-2008
www.tushar-mehta.com
Tutorials and add-ins for Excel, PowerPoint, and other products