diff --git a/nvim/ultisnips/tex.snippets b/nvim/ultisnips/tex.snippets
index 2cff66e..7f74f93 100644
--- a/nvim/ultisnips/tex.snippets
+++ b/nvim/ultisnips/tex.snippets
@@ -28,7 +28,6 @@ snippet template "Basic template" b
 $3
 
 \begin{document}
-    \maketitle
 	$0
 \end{document}
 endsnippet
@@ -651,6 +650,16 @@ snippet part "Partial Derivative" w
 \pdv[$1]{${2:v}}{${3:x}} $0
 endsnippet
 
+context "math()"
+snippet dd "Differential" wA
+\dd{$1}$0
+endsnippet
+
+context "math()"
+snippet dv "Derivative" wA
+\dv{$1}{$2}$0
+endsnippet
+
 priority 300
 context "math()"
 snippet int "Definite Integral" w
@@ -772,3 +781,10 @@ snippet impc "Import Code" wA
 \end{listing}
 endsnippet
 
+# Pres
+
+snippet frame "Frame" bA
+\begin{frame}{$1}
+    $2
+\end{frame} $0
+endsnippet
diff --git a/tex/english.cls b/tex/english.cls
index 8529cbb..814ed91 100644
--- a/tex/english.cls
+++ b/tex/english.cls
@@ -7,6 +7,7 @@
 \RequirePackage{geometry}
 \RequirePackage{indentfirst}
 \RequirePackage{longtable}
+\RequirePackage{enumitem}
 
 \doublespacing%
 \geometry{top=20mm,bottom=20mm}
diff --git a/tex/homework.cls b/tex/homework.cls
index b05733d..d637404 100644
--- a/tex/homework.cls
+++ b/tex/homework.cls
@@ -1,9 +1,10 @@
 \ProvidesClass{homework}
-\LoadClass[fontsize=9pt, paper=a4, pagesize, DIV=calc]{scrartcl}
+\LoadClass[fontsize=10pt]{scrartcl}
 
-\RequirePackage[utf8]{inputenc}
 \RequirePackage[T1]{fontenc}
 \RequirePackage{textcomp}
+\RequirePackage{stmaryrd}
+\SetSymbolFont{stmry}{bold}{U}{stmry}{m}{n}
 \RequirePackage{url}
 \RequirePackage{float}
 \RequirePackage{booktabs}
@@ -14,7 +15,6 @@
 \RequirePackage{mathrsfs}
 \RequirePackage{minted}
 \RequirePackage{systeme}
-\RequirePackage{stmaryrd}
 \RequirePackage{amsfonts, amsmath, amssymb, amsthm}
 \RequirePackage{enumitem}
 \RequirePackage{bm}