diff --git a/docs/333-123.md b/docs/333-123.md
new file mode 100644
index 0000000..517c0c1
--- /dev/null
+++ b/docs/333-123.md
@@ -0,0 +1,12 @@
+# #333-123
+
+## Part Info
+
+This is the specification.
+
+$$F=ma$$
+
+# MathJax Test Page
+
+When \(a \ne 0\), there are two solutions to \(ax^2 + bx + c = 0\) and they are
+$$x = {-b \pm \sqrt{b^2-4ac} \over 2a}.$$
diff --git a/mkdocs.yml b/mkdocs.yml
index 6ea5109..1409a7e 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -7,8 +7,17 @@ nav:
   - Discord: discord.md
   - Author's Website: https://blog.ansonbiggs.com/
   - LICENSE: LICENSE.md
+  - Test:
+      - 333-123.md
+
 theme: "material"
 
 repo_url: https://gitlab.com/simple-stock-bots
 repo_name: Simple Stock Bots
 site_description: A collection of simple chat bots for stock market Data.
+
+extra_javascript:
+  - https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js?config=TeX-AMS-MML_HTMLorMML
+
+markdown_extensions:
+  - mdx_math