From c762e701510a79356a502db7730763d9791662b8 Mon Sep 17 00:00:00 2001
From: Hatter Jiang <jht5945@gmail.com>
Date: Fri, 18 Jul 2025 23:42:48 +0800
Subject: [PATCH] feat: update readme

---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index 124b9e6..83b4bb6 100644
--- a/README.md
+++ b/README.md
@@ -23,3 +23,4 @@ Mathematics:
     - https://github.com/valeman/Awesome_Math_Books
     - https://kska32.github.io/ebooks/
     - https://github.com/apachecn/huazhang-math-book
+    - https://doc.sagemath.org/index.html