diff --git a/nvim/ultisnips/tex.snippets b/nvim/ultisnips/tex.snippets
index 7f74f93..4bb0452 100644
--- a/nvim/ultisnips/tex.snippets
+++ b/nvim/ultisnips/tex.snippets
@@ -146,17 +146,21 @@ snippet iff "Iff" Ai
 endsnippet
 
 context "math()"
-snippet bm "Bm" Ai
+snippet `(?<!\\)bm` "Bm" rwAi
 \bm{$1}$0
 endsnippet
 
+snippet `(?<!\\)emph` "Emphasize" rwAi
+\emph{$1}$0
+endsnippet
+
 context "math()"
-snippet sqrt "Square root" Ai
+snippet `(?<!\\)sqrt` "Square root" rwAi
 \sqrt{$1}$0
 endsnippet
 
 context "math()"
-snippet box "Boxed" Ai
+snippet `(?<!\\)box` "Boxed" rwAi
 \boxed{$1}$0
 endsnippet
 
@@ -330,6 +334,12 @@ snippet rowvec "Row Vector" iA
 \mqty[$1]$0
 endsnippet
 
+priority 200
+context "math()"
+snippet cvec "Column Vector" iA
+\begin{pmatrix} ${1:x}_${2:1}\\\\ \vdots\\\\ $1_${2:n} \end{pmatrix}
+endsnippet
+
 context "math()"
 snippet case "Cases" wA
 \begin{case}
@@ -381,16 +391,26 @@ endsnippet
 
 priority 1000
 context "math()"
-snippet epsi "Epsilon" wA
+snippet `(?<!\\)epsi` "Epsilon" rwA
 \epsilon
 endsnippet
 
 priority 500
 context "math()"
-snippet '(?<!\\)(alpha|beta|gamma|Delta|delta|epsilon|zeta|eta|Theta|theta|iota|kappa|Lambda|lambda|mu|nu|Xi|xi|Pi|pi|varpi|Sigma|sigma|tau|Phi|phi|varphi|chi|Psi|psi|Omega|omega)' "Greek" rwA
+snippet '(?<!\\)(alpha|beta|gamma|Delta|delta|epsilon|zeta|eta|Theta|theta|iota|kappa|Lambda|lambda|mu|nu|Xi|Pi|pi|varpi|Sigma|sigma|tau|Phi|phi|varphi|chi|Psi|psi|Omega|omega)' "Greek" rwA
 \\`!p snip.rv = match.group(1)`
 endsnippet
 
+context "math()"
+snippet '(?<!\\)xxi' "Xi" rwA
+\xi
+endsnippet
+
+context "math()"
+snippet '(?<!\\)rho' "Rho" rwA
+\rho
+endsnippet
+
 context "math()"
 snippet // "Fraction" iA
 \\frac{${VISUAL}}{$1}$0
@@ -622,7 +642,7 @@ endsnippet
 
 context "math()"
 snippet prod "Product" w
-\prod{${1:n=${2:1}}}^{${3:\infty}} $4
+\prod_{${1:n=${2:1}}}^{${3:\infty}} $4
 endsnippet
 
 context "math()"
@@ -651,7 +671,7 @@ snippet part "Partial Derivative" w
 endsnippet
 
 context "math()"
-snippet dd "Differential" wA
+snippet `(?<!\\)dd` "Differential" rwA
 \dd{$1}$0
 endsnippet
 
diff --git a/tex/booknotes.cls b/tex/booknotes.cls
index 156e436..7bd3039 100644
--- a/tex/booknotes.cls
+++ b/tex/booknotes.cls
@@ -190,6 +190,54 @@
 \DeclareMathOperator{\Hom}{Hom}
 \DeclareMathOperator{\Hol}{Hol}
 
+\newcommand{\specialquote}[2]
+{
+    \begin{flushright}
+
+        \begin{tikzpicture}
+			\draw (0,0) node [right,text width=8.75cm] {
+            \begin{mdframed}[
+                linecolor=RoyalPurple, 
+                rightline=false, 
+                topline=false, 
+                bottomline=false,
+                backgroundcolor=RoyalPurple!5,
+                linewidth=2pt
+                ]
+                ``#1''
+                \vspace{1mm}
+
+                \hfill-- \small{#2}
+            \end{mdframed}
+            };
+        \end{tikzpicture}
+    \end{flushright}
+}
+
+\newcommand{\specialnoquote}[2]
+{
+    \begin{flushright}
+
+        \begin{tikzpicture}
+			\draw (0,0) node [right,text width=8.75cm] {
+            \begin{mdframed}[
+                linecolor=RoyalPurple, 
+                rightline=false, 
+                topline=false, 
+                bottomline=false,
+                backgroundcolor=RoyalPurple!5,
+                linewidth=2pt
+                ]
+
+                {#1}
+                \vspace{1mm}
+
+                \hfill-- \small{#2}
+            \end{mdframed}
+            };
+        \end{tikzpicture}
+    \end{flushright}
+}
 
 \makeatother
 
diff --git a/tex/handout.cls b/tex/handout.cls
index 6c9e4b3..6104091 100644
--- a/tex/handout.cls
+++ b/tex/handout.cls
@@ -199,5 +199,55 @@
 \fancyhead[L]{\@title}
 \fancyhead[R]{\@section}
 
+\newcommand{\specialquote}[2]
+{
+    \begin{flushright}
+
+        \begin{tikzpicture}
+			\draw (0,0) node [right,text width=8.75cm] {
+            \begin{mdframed}[
+                linecolor=RoyalPurple, 
+                rightline=false, 
+                topline=false, 
+                bottomline=false,
+                backgroundcolor=RoyalPurple!5,
+                linewidth=2pt
+                ]
+                ``#1''
+                \vspace{1mm}
+
+                \hfill-- \small{#2}
+            \end{mdframed}
+            };
+        \end{tikzpicture}
+    \end{flushright}
+}
+
+\newcommand{\specialnoquote}[2]
+{
+    \begin{flushright}
+
+        \begin{tikzpicture}
+			\draw (0,0) node [right,text width=8.75cm] {
+            \begin{mdframed}[
+                linecolor=RoyalPurple, 
+                rightline=false, 
+                topline=false, 
+                bottomline=false,
+                backgroundcolor=RoyalPurple!5,
+                linewidth=2pt
+                ]
+
+                {#1}
+                \vspace{1mm}
+
+                \hfill-- \small{#2}
+            \end{mdframed}
+            };
+        \end{tikzpicture}
+    \end{flushright}
+}
+
+
 \makeatother
 
diff --git a/tex/homework.cls b/tex/homework.cls
index d637404..bde4d17 100644
--- a/tex/homework.cls
+++ b/tex/homework.cls
@@ -22,7 +22,9 @@
 \RequirePackage{geometry}
 \RequirePackage{graphicx}
 \RequirePackage[usenames,dvipsnames]{xcolor}
+\RequirePackage{siunitx}
 \RequirePackage{physics}
+\let\qty\SI%
 \RequirePackage{bm}
 \RequirePackage{pgfplots}
 \pgfplotsset{
@@ -30,6 +32,8 @@
 }
 \usepgfplotslibrary{fillbetween}
 \usetikzlibrary{patterns}
+\RequirePackage[framemethod=TikZ]{mdframed}
+\mdfsetup{skipabove=1em, skipbelow=0em, innertopmargin=5pt, innerbottommargin=6pt}
 
 
 \let\sidesum\sum
@@ -45,3 +49,53 @@
 \newcommand\C{\ensuremath{\mathbb{C}}}
 
 \geometry{top=20mm,bottom=20mm}
+
+\newcommand{\specialquote}[2]
+{
+    \begin{flushright}
+
+        \begin{tikzpicture}
+			\draw (0,0) node [right,text width=8.75cm] {
+            \begin{mdframed}[
+                linecolor=black, 
+                rightline=false, 
+                topline=false, 
+                bottomline=false,
+                backgroundcolor=black!5,
+                linewidth=2pt
+                ]
+
+                {``#1''}
+                \vspace{1mm}
+
+                \hfill-- \small{#2}
+            \end{mdframed}
+            };
+        \end{tikzpicture}
+    \end{flushright}
+}
+
+\newcommand{\specialnoquote}[2]
+{
+    \begin{flushright}
+
+        \begin{tikzpicture}
+			\draw (0,0) node [right,text width=8.75cm] {
+            \begin{mdframed}[
+                linecolor=black, 
+                rightline=false, 
+                topline=false, 
+                bottomline=false,
+                backgroundcolor=black!5,
+                linewidth=2pt
+                ]
+
+                {#1}
+                \vspace{1mm}
+
+                \hfill-- \small{#2}
+            \end{mdframed}
+            };
+        \end{tikzpicture}
+    \end{flushright}
+}
diff --git a/tex/notes.cls b/tex/notes.cls
index 94abd5b..6ffdf2a 100644
--- a/tex/notes.cls
+++ b/tex/notes.cls
@@ -195,5 +195,54 @@
 \DeclareMathOperator{\Hom}{Hom}
 \DeclareMathOperator{\Hol}{Hol}
 
+\newcommand{\specialquote}[2]
+{
+    \begin{flushright}
+
+        \begin{tikzpicture}
+			\draw (0,0) node [right,text width=8.75cm] {
+            \begin{mdframed}[
+                linecolor=RoyalPurple, 
+                rightline=false, 
+                topline=false, 
+                bottomline=false,
+                backgroundcolor=RoyalPurple!5,
+                linewidth=2pt
+                ]
+                ``#1''
+                \vspace{1mm}
+
+                \hfill-- \small{#2}
+            \end{mdframed}
+            };
+        \end{tikzpicture}
+    \end{flushright}
+}
+
+\newcommand{\specialnoquote}[2]
+{
+    \begin{flushright}
+
+        \begin{tikzpicture}
+			\draw (0,0) node [right,text width=8.75cm] {
+            \begin{mdframed}[
+                linecolor=RoyalPurple, 
+                rightline=false, 
+                topline=false, 
+                bottomline=false,
+                backgroundcolor=RoyalPurple!5,
+                linewidth=2pt
+                ]
+
+                {#1}
+                \vspace{1mm}
+
+                \hfill-- \small{#2}
+            \end{mdframed}
+            };
+        \end{tikzpicture}
+    \end{flushright}
+}
+
 \makeatother
 
diff --git a/tex/simplebooknotes.cls b/tex/simplebooknotes.cls
index 7d82b89..c1cad14 100644
--- a/tex/simplebooknotes.cls
+++ b/tex/simplebooknotes.cls
@@ -154,7 +154,55 @@
 \DeclareMathOperator{\Aut}{Aut}
 \DeclareMathOperator{\Hom}{Hom}
 \DeclareMathOperator{\Hol}{Hol}
+\newcommand{\specialquote}[2]
+{
+    \begin{flushright}
 
+        \begin{tikzpicture}
+			\draw (0,0) node [right,text width=8.75cm] {
+            \begin{mdframed}[
+                linecolor=black, 
+                rightline=false, 
+                topline=false, 
+                bottomline=false,
+                backgroundcolor=black!5,
+                linewidth=2pt
+                ]
+
+                {``#1''}
+                \vspace{1mm}
+
+                \hfill-- \small{#2}
+            \end{mdframed}
+            };
+        \end{tikzpicture}
+    \end{flushright}
+}
+
+\newcommand{\specialnoquote}[2]
+{
+    \begin{flushright}
+
+        \begin{tikzpicture}
+			\draw (0,0) node [right,text width=8.75cm] {
+            \begin{mdframed}[
+                linecolor=black, 
+                rightline=false, 
+                topline=false, 
+                bottomline=false,
+                backgroundcolor=black!5,
+                linewidth=2pt
+                ]
+
+                {#1}
+                \vspace{1mm}
+
+                \hfill-- \small{#2}
+            \end{mdframed}
+            };
+        \end{tikzpicture}
+    \end{flushright}
+}
 
 \makeatother
 
diff --git a/tex/simplenotes.cls b/tex/simplenotes.cls
index 4565b11..cf144b9 100644
--- a/tex/simplenotes.cls
+++ b/tex/simplenotes.cls
@@ -161,5 +161,55 @@
 \DeclareMathOperator{\Hom}{Hom}
 \DeclareMathOperator{\Hol}{Hol}
 
+\newcommand{\specialquote}[2]
+{
+    \begin{flushright}
+
+        \begin{tikzpicture}
+			\draw (0,0) node [right,text width=8.75cm] {
+            \begin{mdframed}[
+                linecolor=black, 
+                rightline=false, 
+                topline=false, 
+                bottomline=false,
+                backgroundcolor=black!5,
+                linewidth=2pt
+                ]
+
+                {``#1''}
+                \vspace{1mm}
+
+                \hfill-- \small{#2}
+            \end{mdframed}
+            };
+        \end{tikzpicture}
+    \end{flushright}
+}
+
+\newcommand{\specialnoquote}[2]
+{
+    \begin{flushright}
+
+        \begin{tikzpicture}
+			\draw (0,0) node [right,text width=8.75cm] {
+            \begin{mdframed}[
+                linecolor=black, 
+                rightline=false, 
+                topline=false, 
+                bottomline=false,
+                backgroundcolor=black!5,
+                linewidth=2pt
+                ]
+
+                {#1}
+                \vspace{1mm}
+
+                \hfill-- \small{#2}
+            \end{mdframed}
+            };
+        \end{tikzpicture}
+    \end{flushright}
+}
+
 \makeatother