diff -r 28f78d9081d7 -r 2e3945ff7b66 slides/slides04.tex
--- a/slides/slides04.tex	Fri Dec 05 10:20:00 2025 +0000
+++ b/slides/slides04.tex	Thu Dec 11 13:23:30 2025 +0000
@@ -178,7 +178,7 @@
     %%Office: & N\liningnums{7.07} (North Wing, Bush House)\bigskip\\
     Slides \& Code: & KEATS\bigskip\\
 
-    Office Hour: &  Thursdays 13:00 -- 14:00 (send email first)\\
+    Office Hour: &  Fridays 11:30 -- 12:30 (send email first)\\
     Location: & N7.07 (North Wing, Bush House)\bigskip\\
 
     %Pollev: & \texttt{\alert{https://pollev.com/cfltutoratki576}}\\  \\
@@ -516,6 +516,19 @@
 \end{frame}
 
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+\begin{frame}
+\end{frame}
+\begin{frame}
+\end{frame}
+\begin{frame}
+\end{frame}
+\begin{frame}
+\end{frame}
+\begin{frame}
+\end{frame}
+\begin{frame}
+\end{frame}
+
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%     
 %\begin{frame}[c,fragile]