This page should get you started:

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

- 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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"Eric" wrote in message
...
Is there a way to have excel graph a function? I am thinking of my
graphing
calculator from high school (x=2y).

I would like to have excel graph a forumal I have created with a starting
value of 0% and a max value of 100% so that I can see econimcal value. I
need
to be able to enter a variable into my forula that excel would then use to
plot values.