diff --git a/latexmk/latexmkrc b/latexmk/latexmkrc
index 8bd22ce..6013a8c 100644
--- a/latexmk/latexmkrc
+++ b/latexmk/latexmkrc
@@ -1 +1,2 @@
 $pdf_previewer = "zathura %O %S";
+$pdflatex = "xelatex -shell-escape %O %S";
diff --git a/nvim/lua/plugins.lua b/nvim/lua/plugins.lua
index 3bcd27c..096ecd5 100644
--- a/nvim/lua/plugins.lua
+++ b/nvim/lua/plugins.lua
@@ -173,7 +173,7 @@ return require('packer').startup({ function(use)
         'lervag/vimtex',
         config = function()
             vim.g.vimtex_view_general_viewer = 'zathura'
-            vim.g.vimtex_compiler_method = "xelatex"
+            vim.g.vimtex_compiler_method = "latexmk"
             -- vim.g.vimtex_view_general_options = = '-x nvim -n -c "Vimtex'
             -- 'file:@pdf\\#src:@line@tex'
             -- vim.g.vimtex_quickfix_enabled = 0
diff --git a/nvim/ultisnips/tex.snippets b/nvim/ultisnips/tex.snippets
index 03d05fc..3927077 100644
--- a/nvim/ultisnips/tex.snippets
+++ b/nvim/ultisnips/tex.snippets
@@ -28,6 +28,7 @@ snippet template "Basic template" b
 $3
 
 \begin{document}
+    \maketitle
 	$0
 \end{document}
 endsnippet
@@ -59,8 +60,8 @@ endsnippet
 snippet table "Table" b
 \begin{table}[${1:htpb}]
     \centering
-    \caption{${2:caption}}
-    \label{tab:${3:label}}
+    \caption{$2}
+    \label{tab:$3}
     \begin{tabular}{${5:c}}
 	$6${5/((?<=.)c|l|r)|./(?1: & )/g}
     \end{tabular}
@@ -76,6 +77,30 @@ snippet ~~ "Sim" iA
 \sim
 endsnippet
 
+snippet section "Section" bA
+\sect{$1}$0
+endsnippet
+
+snippet chapter "Chapter" bA
+\chapter{$1}$0
+endsnippet
+
+snippet part "Part" bA
+\part{$1}$0
+endsnippet
+
+snippet theorem "Theorem" bA
+\begin{theorem}[$1]
+    $2
+\end{theorem} $0
+endsnippet
+
+snippet definition "Definition" bA
+\begin{definition}[$1]
+    $2
+\end{definition} $0
+endsnippet
+
 # Math
 
 snippet sm "Math" wA
@@ -156,11 +181,6 @@ snippet nabl "Nabla" iA
 \nabla
 endsnippet
 
-context "math()"
-snippet del "Nabla" iA
-\nabla
-endsnippet
-
 context "math()"
 snippet \\\ "Set minus" iA
 \setminus
@@ -210,7 +230,7 @@ endsnippet
 
 priority 10
 context "math()"
-snippet in "In" iA
+snippet inn "In" iA
 \in
 endsnippet
 
@@ -326,13 +346,13 @@ endsnippet
 
 priority 10
 context "math()"
-snippet "hat" "Hat" riA
+snippet "hat" "Hat" ri
 \hat{$1}$0
 endsnippet
 
 priority 100
 context "math()"
-snippet "([a-zA-Z])hat" "Hat" riA
+snippet "([a-zA-Z])hat" "Hat" ri
 \hat{`!p snip.rv = match.group(1)`}
 endsnippet
 
@@ -354,7 +374,13 @@ snippet '(?<!\\)(sin|cos|arccot|cot|csc|ln|log|exp|star|perp|arcsin|arccos|arcta
 \\`!p snip.rv = match.group(1)`
 endsnippet
 
-priority 200
+priority 1000
+context "math()"
+snippet epsi "Epsilon" wA
+\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
 \\`!p snip.rv = match.group(1)`
@@ -586,7 +612,7 @@ endsnippet
 
 context "math()"
 snippet sum "Bounded Sum" w
-\sum_{${1:n=${2:1}}}^{${3:\infty}} $3
+\sum_{${1:n=${2:1}}}^{${3:\infty}} $4
 endsnippet
 
 context "math()"
@@ -704,7 +730,7 @@ endsnippet
 
 # Code
 
-snippet sc "Code" wA
+snippet bsc "Blank Inline Code" wA
 \texttt{${1}}`!p
 if t[2] and t[2][0] not in [',', '.', '?', '-', ' ']:
     snip.rv = ' '
@@ -713,13 +739,30 @@ else:
 `$2
 endsnippet
 
-snippet dc "Display Code" wA
-\begin{minted}[$1]
-$2
-\end{minted} $0
+snippet sc "Inline Code" wA
+\inlinecode{${1}}{${2}}`!p
+if t[2] and t[2][0] not in [',', '.', '?', '-', ' ']:
+    snip.rv = ' '
+else:
+    snip.rv = ''
+`$2
+endsnippet
+
+snippet dc "Block Code" wA
+\begin{listing}[${1:H}]
+    \caption{$2}
+    \label{lst:$3}
+    \begin{code}{$4}
+        $5
+    \end{code} $0
+\end{listing}
 endsnippet
 
 snippet impc "Import Code" wA
-\inputminted{$1}{$2}$0
+\begin{listing}[${1:H}]
+    \caption{$2}
+    \label{lst:$3}
+    \importcode{$1}{$2}$0
+\end{listing}
 endsnippet
 
diff --git a/tex/homework.cls b/tex/homework.cls
index 7290019..b05733d 100644
--- a/tex/homework.cls
+++ b/tex/homework.cls
@@ -42,5 +42,6 @@
 \newcommand{\Z}{\ensuremath{\mathbb{Z}}}
 \newcommand{\R}{\ensuremath{\mathbb{R}}}
 \newcommand{\Q}{\ensuremath{\mathbb{Q}}}
+\newcommand\C{\ensuremath{\mathbb{C}}}
 
 \geometry{top=20mm,bottom=20mm}
diff --git a/tex/simplenotes.cls b/tex/simplenotes.cls
new file mode 100644
index 0000000..a3190dc
--- /dev/null
+++ b/tex/simplenotes.cls
@@ -0,0 +1,157 @@
+
+\ProvidesClass{simplenotes}
+\LoadClass[twoside]{report}
+
+\RequirePackage[T1]{fontenc}
+\RequirePackage{textcomp}
+\RequirePackage{stmaryrd}
+\SetSymbolFont{stmry}{bold}{U}{stmry}{m}{n}
+\RequirePackage{url}
+\RequirePackage{float}
+\RequirePackage{booktabs}
+\RequirePackage{emptypage}
+\RequirePackage{subcaption}
+\RequirePackage{multicol}
+\RequirePackage{cancel}
+\RequirePackage{mathrsfs}
+\RequirePackage{minted}
+\usemintedstyle{bw}
+\RequirePackage{listings}
+\RequirePackage{systeme}
+\RequirePackage{amsfonts, amsmath, mathtools, amssymb, amsthm}
+\RequirePackage{enumitem}
+\RequirePackage{bm}
+\RequirePackage{listings}
+\RequirePackage{geometry}
+\RequirePackage{graphicx}
+\RequirePackage[usenames,dvipsnames]{xcolor}
+\RequirePackage{bm}
+\RequirePackage{siunitx}
+\RequirePackage{physics}
+\let\qty\SI%
+\RequirePackage{etoolbox}
+\RequirePackage{xifthen}
+\RequirePackage{import}
+\RequirePackage{pdfpages}
+\RequirePackage{fancyhdr}
+\RequirePackage{tikz}
+\RequirePackage{tikz-cd}
+\RequirePackage{pgfplots}
+
+\pgfplotsset{
+    compat=newest,
+}
+\usepgfplotslibrary{fillbetween}
+\usetikzlibrary{patterns, intersections, angles, quotes, calc, positioning}
+\usetikzlibrary{arrows.meta}
+\RequirePackage{thmtools}
+\RequirePackage[framemethod=TikZ]{mdframed}
+\mdfsetup{skipabove=1em, skipbelow=0em, innertopmargin=5pt, innerbottommargin=6pt}
+
+\newcommand\N{\ensuremath{\mathbb{N}}}
+\newcommand\R{\ensuremath{\mathbb{R}}}
+\newcommand\Z{\ensuremath{\mathbb{Z}}}
+\newcommand\Q{\ensuremath{\mathbb{Q}}}
+\newcommand\C{\ensuremath{\mathbb{C}}}
+
+\let\sidesum\sum%
+\let\sidelim\lim%
+\renewcommand\sum{\sidesum\limits}
+\renewcommand\lim{\sidelim\limits}
+
+
+\theoremstyle{definition}
+\makeatletter
+
+\declaretheoremstyle[
+    headfont=\bfseries\sffamily, bodyfont=\normalfont,
+    mdframed={nobreak}
+]{thmboxed}
+
+\declaretheoremstyle[
+    headfont=\bfseries\sffamily, bodyfont=\normalfont,
+]{thmsimple}
+
+\declaretheoremstyle[
+    headfont=\bfseries\sffamily, bodyfont=\normalfont,
+    numbered=no,
+    mdframed={
+        rightline=false, topline=false, bottomline=false,
+    },
+    qed=\qedsymbol,
+]{thmproof}
+
+
+\declaretheoremstyle[
+    headfont=\bfseries\sffamily, bodyfont=\normalfont,
+    numbered=no,
+    mdframed={
+        rightline=false, topline=false, bottomline=false,
+    }
+]{thmline}
+
+\declaretheorem[style=thmboxed, name=Definition]{definition}
+\declaretheorem[style=thmboxed, name=Lemma]{lemma}
+\declaretheorem[style=thmboxed, name=Theorem]{theorem}
+\declaretheorem[style=thmboxed, name=Proposition]{proposition}
+\declaretheorem[style=thmboxed, numbered=no, name=Corollary]{corollary}
+\declaretheorem[style=thmsimple, numbered=no, name=Example]{eg}
+
+\AtEndEnvironment{eg}{\null\hfill$\diamond$}
+
+\declaretheorem[style=thmproof, name=Proof]{thmproof}
+\renewenvironment{proof}[1][\proofname]{\begin{thmproof}}{\end{thmproof}}
+\declaretheorem[style=thmline, name=Proof]{expl}
+
+\declaretheorem[style=thmsimple, numbered=no, name=Remark]{remark}
+\declaretheorem[style=thmsimple, numbered=no, name=Note]{note}
+
+\newcommand{\exercise}[1]{%
+    \def\@exercise{#1}%
+    \subsection*{Exercise #1}
+}
+
+\newcommand{\subexercise}[1]{%
+    \subsubsection*{Exercise \@exercise.#1}
+}
+
+\newcommand{\sect}[1]{
+    \def\@section{#1}
+    \section{#1}
+}
+
+\def\@lecture{}
+\newcommand{\lecture}[2]{
+    \ifthenelse{\isempty{#2}}{
+        \def\@lecture{Lecture #1}%
+    }{%
+        \def\@lecture{Lecture #1: #2}%
+    }%
+    \subsection*{\@lecture}
+}
+
+\pagestyle{fancy}
+\fancyhead[RO,LE]{\@section}
+\fancyhead[RE,LO]{\leftmark}
+
+\newcommand{\incfig}[1]{%
+    \def\svgwidth{\columnwidth}
+    \import{./}{#1.pdf_tex}
+}
+
+\newenvironment{code}[1]{\VerbatimEnvironment\begin{minted}[frame=lines,framesep=7pt, linenos]{#1}}{\end{minted}}
+
+\newcommand{\inlinecode}[2]{\mintinline{#1}|#2|}
+
+\newcommand{\importcode}[2]{\VerbatimEnvironment\inputminted[frame=lines, framesep=7pt, linenos]{#1}{#2}}
+
+\DeclareMathOperator{\GL}{GL}
+\DeclareMathOperator{\Imm}{Im}
+\DeclareMathOperator{\Ker}{Ker}
+\DeclareMathOperator{\Aut}{Aut}
+\DeclareMathOperator{\Hom}{Hom}
+\DeclareMathOperator{\Hol}{Hol}
+
+
+\makeatother
+