[texhax] Latex help

[Lo'ai Tawalbeh]

Hi;
I am at Oregon State Univ. preparing for a final version of a paper for a
conference.

MY QUSTION: HOW TO ADD A DOT AFTER THE SECTION NUMBER, (e.g.  1. INTRODUCTION,
2. NOTATION, and so on)

Thank you;

Lo'ai Tawalbeh, 
PhD Candidate, Oregon State Uiversity
email:tawalbeh at ece.orst.edu