diff --git a/nvim/lua/lsp.lua b/nvim/lua/lsp.lua
index 8076a8e..9a6e613 100644
--- a/nvim/lua/lsp.lua
+++ b/nvim/lua/lsp.lua
@@ -99,6 +99,16 @@ local lsp_confs = {
             configfiles = { "tsconfig.json", "jsconfig.json", "package.json" }
         }),
     },
+    denols = {
+        root_dir = find_repo_root({
+            configfiles = { "deno.json", "deno.jsonc" }
+        }),
+    },
+    astro = {
+        root_dir = find_repo_root({
+            configfiles = { "astro.config.mjs" }
+        }),
+    },
     eslint = {
         root_dir = find_repo_root({
             configfiles = { ".eslintrc", ".eslintrc.js", "package.json" }
diff --git a/nvim/lua/plugins.lua b/nvim/lua/plugins.lua
index ed286ab..3bcd27c 100644
--- a/nvim/lua/plugins.lua
+++ b/nvim/lua/plugins.lua
@@ -31,6 +31,10 @@ return require('packer').startup({ function(use)
         'evanleck/vim-svelte'
     }
 
+    use {
+        'wuelnerdotexe/vim-astro'
+    }
+
     use {
         'tpope/vim-fugitive',
         config = function()
@@ -169,6 +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_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 1c0346c..03d05fc 100644
--- a/nvim/ultisnips/tex.snippets
+++ b/nvim/ultisnips/tex.snippets
@@ -10,44 +10,14 @@ def env(name):
 	return x != '0' and y != '0'
 endglobal
 
-snippet beg "begin{} / end{}" bA
+# General
+
+snippet beg "Begin / End" bA
 \\begin{$1}
 	$2
 \\end{$1}$0
 endsnippet
 
-
-snippet sm "Math" wA
-$${1}$`!p
-if t[2] and t[2][0] not in [',', '.', '?', '-', ' ']:
-    snip.rv = ' '
-else:
-    snip.rv = ''
-`$2
-endsnippet
-
-snippet dm "Display Math" wA
-
-\[
-    $1
-.\] $0
-endsnippet
-
-snippet sc "Code" wA
-\texttt{${1}}`!p
-if t[2] and t[2][0] not in [',', '.', '?', '-', ' ']:
-    snip.rv = ' '
-else:
-    snip.rv = ''
-`$2
-endsnippet
-
-snippet dc "Display Code" wA
-\begin{lstlisting}[$1]
-$2
-\end{lstlisting} $0
-endsnippet
-
 snippet pac "Package" b
 \usepackage[$1]{$2}$0
 endsnippet
@@ -97,7 +67,628 @@ snippet table "Table" b
 \end{table} $0
 endsnippet
 
+priority 100
+snippet ... "Ldots" iA
+\ldots
+endsnippet
 
+snippet ~~ "Sim" iA
+\sim
+endsnippet
+
+# Math
+
+snippet sm "Math" wA
+$${1}$`!p
+if t[2] and t[2][0] not in [',', '.', '?', '-', ' ']:
+    snip.rv = ' '
+else:
+    snip.rv = ''
+`$2
+endsnippet
+
+snippet dm "Display Math" wA
+
+\[
+    $1
+\] $0
+endsnippet
+
+snippet ali "Align" bA
+\begin{align*}
+    ${1:${VISUAL}}
+\end{align*} $0
+endsnippet
+
+context "math()"
+snippet => "Implies" Ai
+\implies
+endsnippet
+
+context "math()"
+snippet =< "Implied by" Ai
+\impliedby
+endsnippet
+
+context "math()"
+snippet iff "Iff" Ai
+\iff
+endsnippet
+
+context "math()"
+snippet bm "Bm" Ai
+\bm{$1}$0
+endsnippet
+
+context "math()"
+snippet sqrt "Square root" Ai
+\sqrt{$1}$0
+endsnippet
+
+context "math()"
+snippet box "Boxed" Ai
+\boxed{$1}$0
+endsnippet
+
+context "math()"
+snippet lll "L" iA
+\ell
+endsnippet
+
+context "math()"
+snippet xx "Cross" iA
+\times
+endsnippet
+
+priority 100
+context "math()"
+snippet ** "Cdot" iA
+\cdot
+endsnippet
+
+context "math()"
+snippet norm "Norm" iA
+\|$1\|$0
+endsnippet
+
+context "math()"
+snippet nabl "Nabla" iA
+\nabla
+endsnippet
+
+context "math()"
+snippet del "Nabla" iA
+\nabla
+endsnippet
+
+context "math()"
+snippet \\\ "Set minus" iA
+\setminus
+endsnippet
+
+context "math()"
+snippet mcal "mathcal" iA
+\mathcal{$1}$0
+endsnippet
+
+priority 100
+context "math()"
+snippet -> "To" iA
+\to
+endsnippet
+
+priority 200
+context "math()"
+snippet <-> "Leftrightarrow" iA
+\leftrightarrow
+endsnippet
+
+context "math()"
+snippet !> "Maps to" iA
+\mapsto
+endsnippet
+
+context "math()"
+snippet set "Set" wA
+\left\\{ $1 \right\\} $0
+endsnippet
+
+context "math()"
+snippet || "Mid" iA
+\mid
+endsnippet
+
+context "math()"
+snippet cc "Subset" iA
+\subset
+endsnippet
+
+context "math()"
+snippet notin "Not in" iA
+\not\in
+endsnippet
+
+priority 10
+context "math()"
+snippet in "In" iA
+\in
+endsnippet
+
+context "math()"
+snippet NN "Natural" iA
+\N
+endsnippet
+
+context "math()"
+snippet Nn "Cap" iA
+\cap
+endsnippet 
+
+context "math()"
+snippet isect "Cap" iA
+\cap
+endsnippet
+
+context "math()"
+snippet UU "Cup" iA
+\cup
+endsnippet
+
+context "math()"
+snippet union "Cup" iA
+\cup
+endsnippet
+
+context "math()"
+snippet uuu "Big cup" iA
+\bigcup{${1:i \in ${2: I}}} $0
+endsnippet
+
+context "math()"
+snippet nnn "Big cap" iA
+\bigcap{${1:i \in ${2: I}}} $0
+endsnippet
+
+context "math()"
+snippet OO "Empty Set" iA
+\varnothing
+endsnippet
+
+context "math()"
+snippet RR "Real" iA
+\R
+endsnippet
+
+context "math()"
+snippet QQ "Rational" iA
+\Q
+endsnippet
+
+context "math()"
+snippet ZZ "Integer" iA
+\Z
+endsnippet
+
+context "math()"
+snippet HH "H" iA
+\mathbb{H}
+endsnippet
+
+context "math()"
+snippet DD "D" iA
+\mathbb{D}
+endsnippet
+
+context "math()"
+snippet <! "Normal" iA
+\triangleleft
+endsnippet
+
+context "math()"
+snippet <> "Diamond" iA
+\diamond
+endsnippet
+
+context "math()"
+snippet '(?<!i)sts' "Text Subscript" irA
+_\text{$1} $0
+endsnippet
+
+context "math()"
+snippet tt "Text" iA
+\text{$1}$0
+endsnippet
+
+priority 200
+context "math()"
+snippet rowvec "Row Vector" iA
+\mqty[$1]$0
+endsnippet
+
+context "math()"
+snippet case "Cases" wA
+\begin{case}
+    $1
+\end{cases} $0
+endsnippet
+
+priority 10
+context "math()"
+snippet "bar" "Bar" riA
+\overline{$1}$0
+endsnippet
+
+priority 100
+context "math()"
+snippet "([a-zA-Z])bar" "Bar" riA
+\overline{`!p snip.rv = match.group(1)`}
+endsnippet
+
+priority 10
+context "math()"
+snippet "hat" "Hat" riA
+\hat{$1}$0
+endsnippet
+
+priority 100
+context "math()"
+snippet "([a-zA-Z])hat" "Hat" riA
+\hat{`!p snip.rv = match.group(1)`}
+endsnippet
+
+priority 10
+context "math()"
+snippet "vec" "Vec" riA
+\vec{$1}$0
+endsnippet
+
+priority 100
+context "math()"
+snippet "([a-zA-Z])vec" "Vec" riA
+\vec{`!p snip.rv = match.group(1)`}
+endsnippet
+
+priority 100
+context "math()"
+snippet '(?<!\\)(sin|cos|arccot|cot|csc|ln|log|exp|star|perp|arcsin|arccos|arctan|arccot|arccsc|arcsec)' "Functions" rwA
+\\`!p snip.rv = match.group(1)`
+endsnippet
+
+priority 200
+context "math()"
+snippet '(?<!\\)(alpha|beta|gamma|Delta|delta|epsilon|zeta|eta|Theta|theta|iota|kappa|Lambda|lambda|mu|nu|Xi|xi|Pi|pi|varpi|Sigma|sigma|tau|Phi|phi|varphi|chi|Psi|psi|Omega|omega)' "Greek" rwA
+\\`!p snip.rv = match.group(1)`
+endsnippet
+
+context "math()"
+snippet // "Fraction" iA
+\\frac{${VISUAL}}{$1}$0
+endsnippet
+
+context "math()"
+snippet / "Fraction" i
+\\frac{${VISUAL}}{$1}$0
+endsnippet
+
+context "math()"
+snippet  '((\d+)|(\d*)(\\)?([A-Za-z]+)((\^|_)(\{\d+\}|\d))*)/' "Symbol Fraction" wrA
+\\frac{`!p snip.rv = match.group(1)`}{$1}$0
+endsnippet
+
+priority 1000
+context "math()"
+snippet '^.*\)/' "() Frac" wrA
+`!p
+stripped = match.string[:-1]
+depth = 0
+i = len(stripped) - 1
+while True:
+    if stripped[i] == ")":
+        depth += 1
+    if stripped[i] == "(":
+        depth -= 1
+    if depth == 0:
+        break
+    i -= 1
+snip.rv = stripped[0:i] + "\\frac{" + stripped[i+1:-1] + "}"
+`{$1}$0
+endsnippet
+
+context "math()"
+snippet __ "Full Subscript" iA
+_{$1}$0
+endsnippet
+
+context "math()"
+snippet '([A-Za-z])(\d)' "Subscript" wrA
+`!p snip.rv = match.group(1)`_`!p snip.rv = match.group(2)`
+endsnippet
+
+context "math()"
+snippet '([A-Za-z])(\d\d)' "Subscript 2" wrA
+`!p snip.rv = match.group(1)`_{`!p snip.rv = match.group(2)`}
+endsnippet
+
+context "math()"
+snippet xnn "Subscript xn" iA
+x_{n}
+endsnippet
+
+context "math()"
+snippet ynn "Subscript yn" iA
+y_{n}
+endsnippet
+
+context "math()"
+snippet xii "Subscript xi" iA
+x_{i}
+endsnippet
+
+context "math()"
+snippet yii "Subscript yi" iA
+y_{i}
+endsnippet
+
+context "math()"
+snippet xjj "Subscript xj" iA
+x_{j}
+endsnippet
+
+context "math()"
+snippet yjj "Subscript yj" iA
+y_{j}
+endsnippet
+
+context "math()"
+snippet xp1 "Subscript x n+1" iA
+x_{n+1}
+endsnippet
+
+context "math()"
+snippet xp1 "Subscript y n+1" iA
+y_{n+1}
+endsnippet
+
+context "math()"
+snippet xmm "Subscript xm" iA
+x_{m}
+endsnippet
+
+context "math()"
+snippet ymm "Subscript ym" iA
+y_{m}
+endsnippet
+
+context "math()"
+snippet x_ "Subscript x" iA
+x_{$1}$0
+endsnippet
+
+context "math()"
+snippet y_ "Subscript y" iA
+y_{$1}$0
+endsnippet
+
+context "math()"
+snippet == "Equals" iA
+&= $1 \\\\$0
+endsnippet
+
+context "math()"
+snippet != "Not Equals" iA
+\neq
+endsnippet
+
+context "math()"
+snippet ceil "Ceil" iA
+\left\lceil $1 \right\rceil $0
+endsnippet
+
+context "math()"
+snippet floor "Floor" iA
+\left\lfloor $1 \right\rfloor$0
+endsnippet
+
+context "math()"
+snippet pmat "Paren Matrix" iA
+\begin{pmatrix} $1 \end{pmatrix} $0
+endsnippet
+
+context "math()"
+snippet bmat "Bracket Matrix" iA
+\begin{bmatrix} $1 \end{bmatrix} $0
+endsnippet
+
+context "math()"
+snippet Bmat "Brace Matrix" iA
+\begin{Bmatrix} $1 \end{Bmatrix} $0
+endsnippet
+
+context "math()"
+snippet vmat "Vert Matrix" iA
+\begin{vmatrix} $1 \end{vmatrix} $0
+endsnippet
+
+context "math()"
+snippet () "Parenthesis" iA
+\left( ${1:${VISUAL}} \right) $0
+endsnippet
+
+context "math()"
+snippet lr "Parenthesis" i
+\left( ${1:${VISUAL}} \right) $0
+endsnippet
+
+context "math()"
+snippet lr( "Parenthesis" i
+\left( ${1:${VISUAL}} \right) $0
+endsnippet
+
+context "math()"
+snippet lr| "Verticals" i
+\left| ${1:${VISUAL}} \right| $0
+endsnippet
+
+context "math()"
+snippet lr{ "Braces" i
+\left\\{ ${1:${VISUAL}} \right\\} $0
+endsnippet
+
+context "math()"
+snippet lrb "Braces" i
+\left\\{ ${1:${VISUAL}} \right\\} $0
+endsnippet
+
+context "math()"
+snippet lr[ "Brackets" i
+\left[ ${1:${VISUAL}} \right] $0
+endsnippet
+
+context "math()"
+snippet lra "Angled" iA
+\left<${1:${VISUAL}} \right>$0
+endsnippet
+
+context "math()"
+snippet conj "Conjugate" iA
+\overline{$1}$0
+endsnippet
+
+context "math()"
+snippet sr "Square" iA
+^2
+endsnippet
+
+context "math()"
+snippet cb "Cube" iA
+^3
+endsnippet
+
+context "math()"
+snippet invs "Inverse" iA
+^{-1}
+endsnippet
+
+context "math()"
+snippet compl "Complement" iA
+^{c}
+endsnippet
+
+context "math()"
+snippet tp "To the power" iA
+^{$1}$0
+endsnippet
+
+context "math()"
+snippet bp "Paren to the power" iA
+^{($1)}$0
+endsnippet
+
+context "math()"
+snippet sum "Bounded Sum" w
+\sum_{${1:n=${2:1}}}^{${3:\infty}} $3
+endsnippet
+
+context "math()"
+snippet prod "Product" w
+\prod{${1:n=${2:1}}}^{${3:\infty}} $4
+endsnippet
+
+context "math()"
+snippet ssum "Sum Symbol" w
+\sum $1
+endsnippet
+
+context "math()"
+snippet lim "Limit" w
+\lim_{${1:n} \to ${2:\infty}} $0
+endsnippet
+
+context "math()"
+snippet ooo "Infinity" iA
+\infty
+endsnippet
+
+context "math()"
+snippet limsup "Limit Supremum" w
+\limsup_{${1:n} \to ${2:\infty}} $0
+endsnippet
+
+context "math()"
+snippet part "Partial Derivative" w
+\pdv[$1]{${2:v}}{${3:x}} $0
+endsnippet
+
+priority 300
+context "math()"
+snippet int "Definite Integral" w
+\int_{${1:-\infty}}^{${2:\infty}} $3
+endsnippet
+
+priority 300
+context "math()"
+snippet iint "Indefinite Integral" w
+\int $1
+endsnippet
+
+context "math()"
+snippet <= "Less than or equal" iA
+\le
+endsnippet
+
+context "math()"
+snippet >= "Greater than or equal" iA
+\ge
+endsnippet
+
+context "math()"
+snippet >> "Greater greater" iA
+\gg
+endsnippet
+
+context "math()"
+snippet << "Less less" iA
+\ll
+endsnippet
+
+context "math()"
+snippet EE "There exists" iA
+\exists
+endsnippet
+
+context "math()"
+snippet AA "For all" iA
+\forall
+endsnippet
+
+snippet plot "Plot" w
+\begin{figure}[$1]
+    \centering
+    \begin{tikzpicture}
+        \begin{axis}[
+            xmin= ${2:-10}, xmax= ${3:10},
+            ymin= ${4:-10}, ymax = ${5:10},
+            axis lines = middle,
+        ]
+            \addplot[domain=$2:$3, samples=${6:100}]{$7};
+        \end{axis}
+    \end{tikzpicture}
+    \caption{$8}
+    \label{${9:$8}}
+\end{figure} $0
+endsnippet
+
+snippet nn "Tikz node" w
+\node[$5] (${1/[^0-9a-zA-Z]//g}${2}) ${3:at (${4:0,0}) }{$${1}$};
+$0
+endsnippet
+
+snippet problem "Problem" iA
+\pbl{$1}
+    $0
+endsnippet
+
+# English
 
 snippet ltable "Long table" b
 \begin{longtable}{${1:|p{5cm}|p{10cm}|}}
@@ -107,8 +698,28 @@ snippet ltable "Long table" b
 \end{longtable} $0
 endsnippet
 
-snippet --- "hline" iA
+snippet --- "Hline" iA
 \hline
 endsnippet
 
+# Code
+
+snippet sc "Code" wA
+\texttt{${1}}`!p
+if t[2] and t[2][0] not in [',', '.', '?', '-', ' ']:
+    snip.rv = ' '
+else:
+    snip.rv = ''
+`$2
+endsnippet
+
+snippet dc "Display Code" wA
+\begin{minted}[$1]
+$2
+\end{minted} $0
+endsnippet
+
+snippet impc "Import Code" wA
+\inputminted{$1}{$2}$0
+endsnippet
 
diff --git a/tex/mathhw.cls b/tex/homework.cls
similarity index 50%
rename from tex/mathhw.cls
rename to tex/homework.cls
index 5d9fb0d..7290019 100644
--- a/tex/mathhw.cls
+++ b/tex/homework.cls
@@ -1,11 +1,27 @@
-\ProvidesClass{mathhw}
+\ProvidesClass{homework}
 \LoadClass[fontsize=9pt, paper=a4, pagesize, DIV=calc]{scrartcl}
 
 \RequirePackage[utf8]{inputenc}
+\RequirePackage[T1]{fontenc}
+\RequirePackage{textcomp}
+\RequirePackage{url}
+\RequirePackage{float}
+\RequirePackage{booktabs}
+\RequirePackage{emptypage}
+\RequirePackage{subcaption}
+\RequirePackage{multicol}
+\RequirePackage{cancel}
+\RequirePackage{mathrsfs}
+\RequirePackage{minted}
+\RequirePackage{systeme}
+\RequirePackage{stmaryrd}
 \RequirePackage{amsfonts, amsmath, amssymb, amsthm}
 \RequirePackage{enumitem}
+\RequirePackage{bm}
+\RequirePackage{listings}
 \RequirePackage{geometry}
 \RequirePackage{graphicx}
+\RequirePackage[usenames,dvipsnames]{xcolor}
 \RequirePackage{physics}
 \RequirePackage{bm}
 \RequirePackage{pgfplots}
@@ -20,8 +36,11 @@
 \let\sidelim\lim
 \renewcommand\sum{\sidesum\limits}
 \renewcommand\lim{\sidelim\limits}
-\newcommand{\sm}{\sum}
 \newcommand{\problem}[1]{\subsection*{#1.}}
 \newcommand{\pbl}[1]{\subsection*{#1.}}
+\newcommand{\N}{\ensuremath{\mathbb{N}}}
+\newcommand{\Z}{\ensuremath{\mathbb{Z}}}
+\newcommand{\R}{\ensuremath{\mathbb{R}}}
+\newcommand{\Q}{\ensuremath{\mathbb{Q}}}
 
 \geometry{top=20mm,bottom=20mm}