How can I remove the numeration of some titles in LaTeX?

Question

Hi:

I'm writing my degree project report using the article class and I want a structure like this:

Abstract Introduction 1. What 2. Where 3. Etc.

I was searching and I found that using \setcounter{secnumdepth}{-1} the complete numeration is eliminated. And if I use * these sections don't appear in the table of content. So what can I do? Can this be done without installing packages (like memoir)?

Note:

It was asked before, but I did not find it when I searched. Sorry :(

Answer 1

Using the * version of the section commands might help. Try \section*{Abstract} and see if it is close enough.

Answer 2

use:

\section*{Foo and Bar}
\addcontentsline{toc}{section}{Foo and Bar}