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# record 1: header: parent, keywords
# record 2: calling parameters
# record 3: submit buttons
# record 4: html form content
:algebre lineaire,
matrice, determinant, trace, trace de matrice, matrice trace,
inverse de matrice, matrice inverse, polynome caracteristique
:datatype, matrix
:operation, Déterminant
operation, Rang
operation, Trace
operation, Matrice Inverse
operation, Polynôme caractéristique
:<td>
$submit1
$submit2
$submit3
$submit4
$submit5
</td><td> de </td>
<td style="text-align:right;">
<textarea name="formula" rows="4" cols="30">
1, 2, 3, 4
2, 3, 4, 1
3, 4, 1, 2
4, 1, 2, 3
</textarea>