Hey dudes, i would like to plot a simple function like f(x)=3x^2. I know there are 2 ways of doing that. The first is to generate an image with an external tool like gnuplot and include that image in the document (Which i don't want to do). I would rather use a latex package so the plot will be generated by data in have in the document. I have been told i had to alter the latex preamble but is that possible at all? I know there is a button to include Tex code but that's all.
Cheers!
