1 files changed, 1 insertions, 0 deletions
diff --git a/index.html b/index.html
index c11b476..b124bd9 100644
--- a/index.html
+++ b/index.html
@@ -4,6 +4,7 @@
 	<meta name="viewport" content="width=device-width, initial-scale=1.0">
 	<title>Tit Tac Toe</title>
 	<link rel="stylesheet" href="style.css">
+	<script src="https://cdn.jsdelivr.net/npm/mathjs@9.0.0/lib/browser/math.js"></script>
 	<script defer src="app.js"></script>
 </head>
 <body>