--- a/day1/session2.tex	Tue Oct 27 19:36:09 2009 +0530
+++ b/day1/session2.tex	Tue Oct 27 23:31:14 2009 +0530
@@ -261,7 +261,7 @@
 \end{frame}
 
 \begin{frame}[fragile]
-  \frametitle{List operations}
+\frametitle{List operations}
 \begin{lstlisting}
 In []: anthrlst = [6,7,8,9]
 In []: lnglst = lst + anthrlst
@@ -279,12 +279,12 @@
 \section{Simple Pendulum}
 \begin{frame}[fragile]
 \frametitle{Simple Pendulum - L and T}
-Let us look at a more realistic example of the Simple Pendulum experiment.
+Let us look at the example of the Simple Pendulum experiment.
 \begin{center}
 \begin{small}
 \begin{tabular}{| c | c | c |}
 \hline
-L & T & $T^2$ \\ \hline
+$L$ & $T$ & $T^2$ \\ \hline
 0.1 & 0.6900 & \\ \hline
 0.2 & 0.8989 & \\ \hline
 0.3 & 1.1867 & \\ \hline
@@ -366,9 +366,6 @@
 Lets look at the pendulum.txt file.
 \begin{lstlisting}
 $cat data/pendulum.txt 
-\end{lstlisting} 
-%%$
-\begin{lstlisting}
 1.0000e-01 6.9004e-01
 1.1000e-01 6.9497e-01
 1.2000e-01 7.4252e-01

--- a/day1/session4.tex	Tue Oct 27 19:36:09 2009 +0530
+++ b/day1/session4.tex	Tue Oct 27 23:31:14 2009 +0530
@@ -96,13 +96,13 @@
   \end{frame}
 }
 
-%%\AtBeginSection[]
-%%{
-  %%\begin{frame}<beamer>
-%%    \frametitle{Outline}
-  %%  \tableofcontents[currentsection,currentsubsection]
-  %%\end{frame}
-%%}
+\AtBeginSection[]
+{
+  \begin{frame}<beamer>
+    \frametitle{Outline}
+    \tableofcontents[currentsection,currentsubsection]
+  \end{frame}
+}
 
 % If you wish to uncover everything in a step-wise fashion, uncomment
 % the following command: 
@@ -245,11 +245,13 @@
 \end{lstlisting}
 \end{frame}
 
+\section{Summary}
 \begin{frame}
-  \frametitle{Things we have learned}
+  \frametitle{Summary}
+So what did we learn??
   \begin{itemize}
-  \item
-  \item
+  \item Matrices
+  \item Solving linear equations
   \end{itemize}
 \end{frame}