diff --git a/src/ainotes.cls b/src/ainotes.cls
new file mode 100644
index 0000000..859884a
--- /dev/null
+++ b/src/ainotes.cls
@@ -0,0 +1,63 @@
+\NeedsTeXFormat{LaTeX2e}[]
+\ProvidesClass{ainotes}
+
+\LoadClass{scrreprt}
+
+
+\usepackage{geometry}
+\usepackage{graphicx, xcolor}
+\usepackage{amsmath, amsfonts, amssymb, amsthm, mathtools, bm}
+\usepackage{hyperref}
+\usepackage[nameinlink]{cleveref}
+\usepackage[all]{hypcap} % Links hyperref to object top and not caption
+\usepackage[inline]{enumitem}
+\usepackage{marginnote}
+\usepackage[bottom]{footmisc}
+\usepackage{scrlayer-scrpage}
+\usepackage{algorithm, listings}
+\usepackage{array, makecell}
+\geometry{ margin=3cm, lmargin=1.5cm, rmargin=4.5cm, marginparwidth=3cm }
+\hypersetup{ colorlinks, citecolor=black, filecolor=black, linkcolor=black, urlcolor=black, linktoc=all }
+
+\definecolor{codegreen}{rgb}{0,0.6,0}
+\definecolor{codegray}{rgb}{0.5,0.5,0.5}
+\definecolor{codepurple}{rgb}{0.58,0,0.82}
+\definecolor{backcolour}{rgb}{0.95,0.95,0.92}
+\lstdefinestyle{mystyle}{
+    commentstyle = \color{codegreen},
+    keywordstyle = \color{magenta},
+    numberstyle = \tiny\color{codegray},
+    stringstyle = \color{codepurple},
+    basicstyle = \footnotesize\ttfamily,
+    breakatwhitespace = false, 
+    breaklines = true, 
+    captionpos = b, 
+    keepspaces = true,
+    numbers = none,
+    showspaces = false,
+    showstringspaces = true,
+    showtabs = false,
+    tabsize = 3
+}
+\lstset{style=mystyle}
+\lstset{language=Python}
+
+\NewDocumentEnvironment{descriptionlist}{}{%
+  \begin{description}[labelindent=1em]
+}{
+  \end{description}%
+}
+\setlength{\parindent}{0pt}
+\renewcommand*{\marginfont}{\color{gray}\footnotesize}
+\renewcommand*\chapterpagestyle{scrheadings} % Header in chapter pages
+
+\theoremstyle{definition}
+\newtheorem{theorem}{Theorem}[section]
+\newtheorem*{example}{Example}
+\theoremstyle{definition}
+\newtheorem*{definition}{Def}
+
+\newcommand{\ubar}[1]{\text{\b{$#1$}}}
+\renewcommand{\vec}[1]{{\bm{#1}}}
+\newcommand{\nullvec}[0]{\bar{\vec{0}}}
+\newcommand{\matr}[1]{{\bm{#1}}}
diff --git a/src/fundamentals-of-ai-and-kr/ainotes.cls b/src/fundamentals-of-ai-and-kr/ainotes.cls
new file mode 120000
index 0000000..c22704b
--- /dev/null
+++ b/src/fundamentals-of-ai-and-kr/ainotes.cls
@@ -0,0 +1 @@
+../ainotes.cls
\ No newline at end of file
diff --git a/src/fundamentals-of-ai-and-kr/main.tex b/src/fundamentals-of-ai-and-kr/main.tex
index 52895f8..98bf383 100644
--- a/src/fundamentals-of-ai-and-kr/main.tex
+++ b/src/fundamentals-of-ai-and-kr/main.tex
@@ -1,63 +1,4 @@
-\documentclass[11pt]{scrreprt}
-\usepackage{geometry}
-\usepackage{graphicx, xcolor}
-\usepackage{amsmath, amsfonts, amssymb, amsthm, mathtools, bm}
-\usepackage{hyperref}
-\usepackage[nameinlink]{cleveref}
-\usepackage[all]{hypcap} % Links hyperref to object top and not caption
-\usepackage[inline]{enumitem}
-\usepackage{marginnote}
-\usepackage[bottom]{footmisc}
-\usepackage{scrlayer-scrpage}
-\usepackage{algorithm, listings}
-\usepackage{array, makecell}
-\geometry{ margin=3cm, lmargin=1.5cm, rmargin=4.5cm, marginparwidth=3cm }
-\hypersetup{ colorlinks, citecolor=black, filecolor=black, linkcolor=black, urlcolor=black, linktoc=all }
-
-\definecolor{codegreen}{rgb}{0,0.6,0}
-\definecolor{codegray}{rgb}{0.5,0.5,0.5}
-\definecolor{codepurple}{rgb}{0.58,0,0.82}
-\definecolor{backcolour}{rgb}{0.95,0.95,0.92}
-\lstdefinestyle{mystyle}{
-    commentstyle = \color{codegreen},
-    keywordstyle = \color{magenta},
-    numberstyle = \tiny\color{codegray},
-    stringstyle = \color{codepurple},
-    basicstyle = \footnotesize\ttfamily,
-    breakatwhitespace = false, 
-    breaklines = true, 
-    captionpos = b, 
-    keepspaces = true,
-    numbers = none,
-    showspaces = false,
-    showstringspaces = true,
-    showtabs = false,
-    tabsize = 3
-}
-\lstset{style=mystyle}
-\lstset{language=Python}
-
-\NewDocumentEnvironment{descriptionlist}{}{%
-  \begin{description}[labelindent=1em]
-}{
-  \end{description}%
-}
-\setlength{\parindent}{0pt}
-\renewcommand*{\marginfont}{\color{gray}\footnotesize}
-\renewcommand*\chapterpagestyle{scrheadings} % Header in chapter pages
-
-\theoremstyle{definition}
-\newtheorem{theorem}{Theorem}[section]
-\newtheorem*{example}{Example}
-\theoremstyle{definition}
-\newtheorem*{definition}{Def}
-
-\newcommand{\ubar}[1]{\text{\b{$#1$}}}
-\renewcommand{\vec}[1]{{\bm{#1}}}
-\newcommand{\nullvec}[0]{\bar{\vec{0}}}
-\newcommand{\matr}[1]{{\bm{#1}}}
-
-
+\documentclass[11pt]{ainotes}
 
 \title{Fundamentals of Artificial Intelligence and Knowledge Representation}
 \date{2023 -- 2024}
diff --git a/src/statistical-and-mathematical-methods-for-ai/ainotes.cls b/src/statistical-and-mathematical-methods-for-ai/ainotes.cls
new file mode 120000
index 0000000..c22704b
--- /dev/null
+++ b/src/statistical-and-mathematical-methods-for-ai/ainotes.cls
@@ -0,0 +1 @@
+../ainotes.cls
\ No newline at end of file
diff --git a/src/statistical-and-mathematical-methods-for-ai/main.tex b/src/statistical-and-mathematical-methods-for-ai/main.tex
index e7d7d2c..22747c2 100644
--- a/src/statistical-and-mathematical-methods-for-ai/main.tex
+++ b/src/statistical-and-mathematical-methods-for-ai/main.tex
@@ -1,38 +1,4 @@
-\documentclass[11pt]{scrreprt}
-\usepackage{geometry}
-\usepackage{graphicx, xcolor}
-\usepackage{amsmath, amsfonts, amssymb, amsthm, mathtools, bm}
-\usepackage{hyperref}
-\usepackage[nameinlink]{cleveref}
-\usepackage[all]{hypcap} % Links hyperref to object top and not caption
-\usepackage[inline]{enumitem}
-\usepackage{marginnote}
-\usepackage[bottom]{footmisc}
-\usepackage{array}
-
-\geometry{ margin=3cm, lmargin=2cm, rmargin=4cm, marginparwidth=3cm }
-\hypersetup{ colorlinks, citecolor=black, filecolor=black, linkcolor=black, urlcolor=black, linktoc=all }
-
-\NewDocumentEnvironment{descriptionlist}{}{%
-  \begin{description}[labelindent=1em]
-}{
-  \end{description}%
-}
-\setlength{\parindent}{0pt}
-\renewcommand*{\marginfont}{\color{gray}\footnotesize}
-
-\theoremstyle{definition}
-\newtheorem{theorem}{Theorem}[section]
-\newtheorem{example}{Example}[section]
-\theoremstyle{definition}
-\newtheorem*{definition}{Def}
-
-\newcommand{\ubar}[1]{\text{\b{$#1$}}}
-\renewcommand{\vec}[1]{{\bm{#1}}}
-\newcommand{\nullvec}[0]{\bar{\vec{0}}}
-\newcommand{\matr}[1]{{\bm{#1}}}
-
-
+\documentclass[11pt]{ainotes}
 
 \title{Statistical and Mathematical Methods for Artificial Intelligence}
 \date{2023 -- 2024}