graphs with two different y-scales

First, you have to choose a common scaling for both of your y-variates, so 
that you can use that scaling to plot your two variables. If you want to 
plot curves, then read ?curve.

Then, you can use the axis() function to define multiple (i.e. two) axes 
for your y-variates.

HTH,
Jerome

I am trying to put in the same graph two functions with different y
scales. Can anyone help me on how to do it? Nelson

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