\documentclass[12pt]{beamer} \usetheme{Berlin} \usepackage[utf8]{inputenc} \usepackage[spanish]{babel} \usepackage{amsmath} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{graphicx} \usepackage{braket} \usepackage{appendixnumberbeamer} %\setbeamerfont{page number in head}{size=\large} %\setbeamertemplate{footline}{Diapositiva} \setbeamertemplate{footline}[frame number] \newcommand{\backupbegin}{ \newcounter{finalframe} \setcounter{finalframe}{\value{framenumber}} } \newcommand{\backupend}{ \setcounter{framenumber}{\value{finalframe}} } \author{Física Nuclear y subnuclear } \title{Física Nuclear: extra modelos nucleares} %\setbeamercovered{transparent} %\setbeamertemplate{navigation symbols}{} %\logo{} %\institute{} %\date{} %\subject{} \begin{document} \begin{frame} \titlepage \end{frame} %\begin{frame}{Contenido} % \tableofcontents %\end{frame} \end{document}