Jon's article contains links to pages demonstrating a similar technique
for Excel, if that's what you want to do.

Daniel said:
Thanks, Are there any other method to create chart without filling out
x and y columns in excel? I know some statistic software such as
Systat, plot chart just one click after fill out the equation.

"Jon Peltier" wrote:
Since this is such a common request, I wrote this tutorial last month:

http://peltiertech.com/Excel/ChartsH...tEquation.html

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Del Cotter
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