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:algebre elementaire, nombre,
convertir nombre, nombre conversion,
decimal, fraction, pourcent, pourcentage
:datatype, numerique
:,Convertir
:
$submit1
<input type="text" name="formula" size="25" maxlength="100" value="$var_1">
en
<select name="operation">
<option value=" Fraction,prealg/fraction">fraction</option>
<option value="Décimale,prealg/decimal">nombre décimal</option>
<option value="Pourcentage,prealg/percent">pourcentage</option>
</select>
:18/7, 23/8, -4/37, 3.14159265, 2.718281828, 2.41421