From b7231ce286398c809a406ed76db315271faf3036 Mon Sep 17 00:00:00 2001
From: preston <preston@openbsd-preston.prestonpan.tech>
Date: Sun, 19 Mar 2023 18:27:24 -0700
Subject: replace links with nullring.xyz links

---
 website/mathematics/calculus/source/index.html | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'website/mathematics/calculus/source/index.html')

diff --git a/website/mathematics/calculus/source/index.html b/website/mathematics/calculus/source/index.html
index 32b4cd2..fb52616 100644
--- a/website/mathematics/calculus/source/index.html
+++ b/website/mathematics/calculus/source/index.html
@@ -10,6 +10,8 @@ $$START CONTENT
 
 <ul>
 	<li><a href="./derivative.ms">Derivative</a> -- a fundamental operation regarding calculus.</li>
+
+	<li><a href="./derivative_identities.ms">Derivative Identities</a> -- identities.</li>
 </ul>
 
 $$END CONTENT
-- 
cgit