.//Calculation
>>

selects all descendent Calculation nodes of the current node, which
seems to be what you want.

> or multiple Calculation nodes in multiple places.  My thought was  
> that I'd set a variable and make it empty, then do a for-each  
> descendant::Calculation loop to get each one, and "concat($calc,text 
> ())" them to the variable.
once a variable has been bound to a value, it keeps that value.


David

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