% Pompé dans precis.sty [Ptitboul]

%% Présentation
\if@twocolumn
  \def\header{\thispagestyle{empty}\topnewpage\center\Huge}
  \def\endheader{\endcenter\endtopnewpage}
\else
  \def\header{\thispagestyle{empty}\center\Huge}
  \def\endheader{\endcenter}
\fi

%% Mode twocolumn
\def\topnewpage{\@next\@currbox\@freelist{}{}%
  \global\setbox\@currbox\vbox\bgroup\hsize\textwidth \@parboxrestore}
\def\endtopnewpage{
  \par\vskip -\dbltextfloatsep\egroup\global\count\@currbox\tw@
  \global\@dbltopnum\@ne \global\@dbltoproom\maxdimen\@addtodblcol
  \global\vsize\@colht \global\@colroom\@colht}
\columnsep 20pt


%% Parametres de mise en page
\topmargin -.54cm
\headheight 0pt
\headsep 0pt
\marginparwidth 0mm
\if@twoside
  \oddsidemargin  -.54cm
  \evensidemargin -.04cm
\else
  \oddsidemargin  -.54cm
  \evensidemargin -.54cm
\fi
\textwidth 17cm
\textheight 25.7cm
\advance\textheight by \topskip
\parindent 0pt

%% Parametres pour eviter les debordements
\tolerance=1000
\hbadness=2000



\newcount\numeroexo
\def\Exo{\advance\numeroexo by 1
    \par\medskip\noindent{\bf Exercice \the\numeroexo.---\ \ }}