gistfile1.aux

\documentclass[letter,twocolumn,twoside,mathserif,11pt]{book}
\usepackage[left=2cm,right=2cm,top=2cm,bottom=1.8cm]{geometry}
\usepackage{graphicx}
\usepackage{fourier}
\usepackage[latin1]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{float}
\usepackage{fancyhdr}
\usepackage{fancybox}
\usepackage{caption}
\usepackage{mathabx}
%\usepackage{amssymb,amsmath}
\usepackage[spanish]{babel}
\pagestyle{fancy}
\fancyhead{} 
\fancyhead[LO]{\includegraphics[width=2in]{davincilogo2009.pdf}}
\fancyhead[HR]{\Ovalbox{\bfseries\Large GMA115: Repaso Álgebra parte 1}}
\fancyfoot{} 
\fancyfoot[LE,RO]{\thepage}
\fancyfoot[LO,CE]{\bfseries GMA115: Repaso Álgebra parte 1}
\fancyfoot[CO,RE]{\bfseries DaVinci PreUniversitario}
\renewcommand{\headrulewidth}{0pt}
\renewcommand{\footrulewidth}{0.4pt}
\def\NN{\mathbb{N}}
\def\RR{\mathbb{R}}
\def\ZZ{\mathbb{Z}}
\def\II{\mathbb{I}}
\def\QQ{\mathbb{Q}}
\def\sex{^{\circ}}
\def\lp{\left(}
\def\rp{\right)}
\def\cl{\left[}
\def\cr{\right]}
\begin{document}