> assuming  I have the following xml:
> <math>
>          <number>500</number>
>          <operator> div </operator>
>          <number>50</number>
>          <operator> * </operator>
>          <number>10</number>
> </math>
> 
> you can gues what my objective is:
> <xsl:value-of select="500 div 50 * 10"/>
> 
Use saxon:evaluate() or its equivalent in some other processors.

Mike Kay 

 XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list