LaTeX.org

Hi all,

I have a rather strange problem with the tabular env. I am trying to make a table and I need some vertical lines around the table so I m using the | character. for example:

\begin{tabular}{|r|l|}
\hline
7C0 & hexadecimal \\
3700 & octal \\ \cline{2-2}
11111000000 & binary \\
\hline ...