--- a/slides/slides02.tex	Fri Nov 09 07:30:02 2018 +0000
+++ b/slides/slides02.tex	Thu Nov 15 03:35:38 2018 +0000
@@ -38,10 +38,9 @@
   \begin{center}
   \begin{tabular}{ll}
     Email:  & christian.urban at kcl.ac.uk\\
-    Office: & N7.07 (North Wing, Bush House)\\
+    Office: & N\liningnums{7.07} (North Wing, Bush House)\\
     Slides \& Code: & KEATS\medskip\\
-    Scala Office & \\
-    Hours: &  Thursdays 11 -- 13\\
+    Office Hours: &  Mondays 12:00 -- 14:00\\
   \end{tabular}
   \end{center}
 
@@ -49,56 +48,28 @@
 \end{frame}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%     
 
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%     
-\begin{frame}[t,fragile]
-  \frametitle{Mea Culpa}
-\bigskip
-  
-\mbox{\hspace{-4mm}}CW6, Part 3 (deadline 21 December)\bigskip\medskip  
-\small
-\begin{lstlisting}[language=Scala, numbers=none, xleftmargin=-4mm]
-val blchip_portfolio =
- List("GOOG", "AAPL", "MSFT", "IBM", "FB",
-                          "YHOO", "AMZN", "BIDU")
-
-val rstate_portfolio =
-List("PLD", "PSA", "AMT", "AIV", "AVB",
-                          "BXP", "CBG", "CCI", 
-     "DLR", "EQIX", "EQR", "ESS", "EXR",
-                          "FRT", "GGP", "HCP") 
-\end{lstlisting}\bigskip
-                        
-\onslide<2>{The results in the CW are calculated with YHOO and CBG deleted.}
+\begin{frame}[c,fragile]
+\frametitle{Scala on Lab Computers}
 
-\only<2>{
-\begin{textblock}{6}(8.5,6.6)
-  \begin{tikzpicture}
-    \node (B0) at (0,0) {};
-    \node (B1) at (0,0.5) {};
-    \node (B2) at (1.2,0) {};
-    \node (B3) at (1.2,0.5) {};
-    \draw [red,line width=1mm] (B0) -- (B3);
-    \draw [red,line width=1mm] (B1) -- (B2);
-  \end{tikzpicture}
-\end{textblock}}
+\begin{lstlisting}[language={},numbers=none,
+  basicstyle=\ttfamily\small,xleftmargin=-2mm]
+$ /usr/share/scala/bin/scala
+  
+Welcome to Scala 2.12.6 (Java HotSpot(TM) 64-Bit
+Server VM, Java 10.0.1). Type in expressions for
+evaluation. Or try :help.
 
-\only<2>{
-\begin{textblock}{6}(10.5,9.9)
-  \begin{tikzpicture}
-    \node (B0) at (0,0) {};
-    \node (B1) at (0,0.5) {};
-    \node (B2) at (1.2,0) {};
-    \node (B3) at (1.2,0.5) {};
-    \draw [red,line width=1mm] (B0) -- (B3);
-    \draw [red,line width=1mm] (B1) -- (B2);
-  \end{tikzpicture}
-\end{textblock}}
+scala>
+\end{lstlisting}%$
+
 \end{frame}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%     
 \begin{frame}[c]
-\frametitle{Mea Culpa 2}
+\frametitle{Scala on Lab Computers}
 
 Avoid at all costs, even in comments
 
@@ -113,6 +84,7 @@
 \end{frame}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%     
 \begin{frame}[t]
 \frametitle{For-Comprehensions Again}