deletions | additions       diff --git a/TestingNumAnalysis.tex b/TestingNumAnalysis.tex  index 1e43569..8835361 100644  --- a/TestingNumAnalysis.tex  +++ b/TestingNumAnalysis.tex 
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\section{Testing and numerical analysis}  \begin{center}   \begin{tabular}{ l | c || r }   \hline   1 & 2 & 3 \\ \hline   4 & 5 & 6 \\ \hline   7 & 8 & 9 \\   \hline   \end{tabular}   \end{center}