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What is wrong with the existing symbol?

Well, the problem is that I didn't know a package that contained \oiint.

But thanks, that was exactly what I was looking for.

I'm looking for a symbol for closed surface integral. Something like \oiint.

I also need a skewed fraction symbol, like the one in microsoft word 2007. I did try
{}^{A}/_B but that does not give the correct size.
Does anyone know a symbol for any of these two?

Thanks in advance.