Am 26.01.2009 um 20:12 schrieb Alan BRASLAU:
The syntax of \dimexpr and \numexpr is subtle and mysterious.
For example,
\framed[width=.61\textwidth,height=\dimexpr.
61\textwidth*1486/1200\relax]{}
works, but I never understood the limitations.
How about an entry on the wiki?
\dimexpr and \numexpr are explaines in the e-tex manual.
The only important thing for \dimexpr is to write the dimen value
as first value after the \dimexpr command and then the numeric values.
Wolfgang
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