From 82c3627795c1fabee0c53c27aa445fb54722f017 Mon Sep 17 00:00:00 2001
From: Hedongliang Liu <uniquelhdl@gmail.com>
Date: Mon, 16 Mar 2026 16:34:08 +0100
Subject: [PATCH] added a slide to check the sum symbol

---
 example_as_template/introduction.tex | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/example_as_template/introduction.tex b/example_as_template/introduction.tex
index 41dfe67..e65e79f 100644
--- a/example_as_template/introduction.tex
+++ b/example_as_template/introduction.tex
@@ -12,6 +12,7 @@
 %%%%%%%%%%% Load packages (from previous CEL template %%%%%%%%%%%%%%%
 \newcommand{\templates}{..}	%% CHANGE
 \input{\templates/preambles/packages.tex}
+
 \input{\templates/preambles/macros.tex}
 
 %%%%%%%%%%% Provide path for graphics inside template folder 
@@ -97,7 +98,10 @@
 
 	\Huge Huge text
 \end{frame}
-
+\begin{frame}{Some math symbols}
+	$$\sum_{i=1}^n i = \frac{n(n+1)}{2}$$	
+	Inline sum: $\sum_{i=1}^n i = \frac{n(n+1)}{2}$
+\end{frame}
 \subsection{Color Boxes}
 \begin{frame}{Color Blocks}{in the KIT Color Scheme}
 	\begin{columns}