diff --git a/latex/presentations/midterm/sections/examination_results.tex b/latex/presentations/midterm/sections/examination_results.tex
index b043cbb..db16484 100644
--- a/latex/presentations/midterm/sections/examination_results.tex
+++ b/latex/presentations/midterm/sections/examination_results.tex
@@ -23,7 +23,7 @@
                     \begin{tikzpicture}[scale=0.45]
                         \begin{axis}[
                             grid=both,
-                            xlabel={SNR (dB)}, ylabel={Bit Error Rate},
+                            xlabel={$E_b / N_0$ (dB)}, ylabel={Bit Error Rate},
                             ymode=log,
                             legend style={at={(0.05,0.05)},anchor=south west},
                             width=11.5cm,
@@ -90,7 +90,7 @@
         \begin{subfigure}[c]{0.5\textwidth}
             \centering
             \begin{tikzpicture}[scale=0.52]
-                \begin{semilogyaxis}[xlabel={SNR}, ylabel={BER},
+                \begin{semilogyaxis}[xlabel={$E_b / N_0$  (dB)}, ylabel={BER},
                                      grid=both, grid style={line width=.1pt},
                                      legend style={at={(0.05,0.05)},anchor=south west},
                                      ymin=3e-7, ymax=1.5,]
@@ -110,7 +110,7 @@
             \begin{tikzpicture}[scale=0.55]
                 \begin{axis}[view={75}{60},
                              zmode=log,
-                             xlabel={SNR},
+                             xlabel={$E_b / N_0$ (dB)},
                              ylabel={$\gamma$},
                              zlabel={BER},]
                     \addplot3[surf,
@@ -161,7 +161,7 @@
             \begin{tikzpicture}[scale=0.35]
                 \begin{axis}[view={75}{60},
                              zmode=log,
-                             xlabel={SNR},
+                             xlabel={$E_b / N_0$ (dB)},
                              ylabel={$\gamma$},
                              zlabel={BER},]
                     \addplot3[surf,
@@ -194,7 +194,7 @@
             \begin{tikzpicture}[scale=0.35]
                 \begin{axis}[view={75}{60},
                              zmode=log,
-                             xlabel={SNR},
+                             xlabel={$E_b/N_0$ (dB)},
                              ylabel={$\gamma$},
                              zlabel={BER},]
                     \addplot3[surf,
@@ -227,7 +227,7 @@
             \begin{tikzpicture}[scale=0.35]
                 \begin{axis}[view={75}{60},
                              zmode=log,
-                             xlabel={SNR},
+                             xlabel={$E_b / N_0$ (dB)},
                              ylabel={$\gamma$},
                              zlabel={BER},]
                     \addplot3[surf,
@@ -260,7 +260,7 @@
             \begin{tikzpicture}[scale=0.35]
                 \begin{axis}[view={75}{60},
                              zmode=log,
-                             xlabel={SNR},
+                             xlabel={$E_b / N_0$ (dB)},
                              ylabel={$\gamma$},
                              zlabel={BER},]
                     \addplot3[surf,
@@ -293,7 +293,7 @@
             \begin{tikzpicture}[scale=0.35]
                 \begin{axis}[view={75}{60},
                              zmode=log,
-                             xlabel={SNR},
+                             xlabel={$E_b / N_0$ (dB)},
                              ylabel={$\gamma$},
                              zlabel={BER},]
                     \addplot3[surf,
@@ -326,7 +326,7 @@
             \begin{tikzpicture}[scale=0.35]
                 \begin{axis}[view={75}{60},
                              zmode=log,
-                             xlabel={SNR},
+                             xlabel={$E_b / N_0$ (dB)},
                              ylabel={$\gamma$},
                              zlabel={BER},]
                     \addplot3[surf,
@@ -402,7 +402,7 @@ Output $\boldsymbol{\hat{x}}$
             \begin{tikzpicture}[scale=0.42]
                 \begin{axis}[
                     grid=both,
-                    xlabel={SNR}, ylabel={BER},
+                    xlabel={$E_b / N_0$ (dB)}, ylabel={BER},
                     ymode=log,
                     legend style={at={(0.05,0.05)},anchor=south west},
                     ymax=1.5, ymin=3e-7,
@@ -421,7 +421,7 @@ Output $\boldsymbol{\hat{x}}$
             \begin{tikzpicture}[scale=0.42]
                 \begin{axis}[
                     grid=both,
-                    xlabel={SNR}, ylabel={FER},
+                    xlabel={$E_b / N_0$ (dB)}, ylabel={FER},
                     ymode=log,
                     legend style={at={(0.05,0.05)},anchor=south west},
                     ymax=1.5, ymin=3e-7,
@@ -440,7 +440,7 @@ Output $\boldsymbol{\hat{x}}$
             \begin{tikzpicture}[scale=0.42]
                 \begin{axis}[
                     grid=both,
-                    xlabel={SNR}, ylabel={Decoding Failure Rate},
+                    xlabel={$E_b / N_0$ (dB)}, ylabel={Decoding Failure Rate},
                     ymode=log,
                     legend style={at={(0.05,0.05)},anchor=south west},
                     ymax=1.5, ymin=3e-7,