Attention : les exercices suivants concernent surtout pour l'instant des espaces affines. 

<div class="exercice"><span class="exercice">Exercices : </span> Voici quelques exercices de changement de types d'quations : 
<ul><li>
\exercise{cmd=new&module=H5/geometry/equaffine.fr&objdim=1&spacedim=2&prtype=parametric&eqtype=explicit}
{Droites}</li><li>
\exercise{cmd=new&module=H5/geometry/equaffine.fr&objdim=1&spacedim=4&prtype=parametric&eqtype=implicit}
{Droites}</li>
<li>\exercise{cmd=new&module=H5/geometry/equaffine.fr&objdim=2&
spacedim=3&prtype=implicit&eqtype=parametric}
{Plan}</li>
<li>\exercise{cmd=new&module=H5/geometry/equaffine.fr&objdim=2&
spacedim=3&prtype=parametric&eqtype=implicit}
{Plan}</li>
<li>\exercise{cmd=new&module=H5/geometry/equaffine.fr&objdim=3
&spacedim=4&prtype=parametric&eqtype=implicit}{Hyperplan}</li>
<li>\exercise{cmd=new&module=H5/geometry/equaffine.fr&objdim=3
&spacedim=4&prtype=implicit&eqtype=parametric}{Hyperplan}</li>
</ul></div>