\input $HOME/tex_doc/format/myplain.tex
\titre {Loi normale}
\def \datapath {%
$HOME/tex_doc/lycee/database/formulaires/}
\input \datapath normale_01.tex
\input \datapath binomiale.tex
\vfill
\input \datapath poisson_01.tex
\vfill
\input \datapath exponentielle_01.tex
\bye