diff --git a/.mkdocs.yml.swp b/.mkdocs.yml.swp
index 6c10957..77deee9 100644
Binary files a/.mkdocs.yml.swp and b/.mkdocs.yml.swp differ
diff --git a/docs/cad.md b/docs/cad.md
new file mode 100644
index 0000000..9ef9112
--- /dev/null
+++ b/docs/cad.md
@@ -0,0 +1 @@
+# CAD
diff --git a/docs/calculations/calculations_arm.md b/docs/calculations/calculations_arm.md
new file mode 100644
index 0000000..e69de29
diff --git a/docs/calculations/index.md b/docs/calculations/index.md
new file mode 100644
index 0000000..87c8091
--- /dev/null
+++ b/docs/calculations/index.md
@@ -0,0 +1,4 @@
+# Calculations
+$$
+\sum T_{A_\circlearrowright} = \beta \cong -T_{mp} - T_{M_3} - T_{M_2} - T_{m_1} + T_{\text{Motor}}
+$$
diff --git a/docs/contritube.md b/docs/contritube.md
new file mode 100644
index 0000000..b2368a2
--- /dev/null
+++ b/docs/contritube.md
@@ -0,0 +1,20 @@
+'''
+#Contribute
+## Using MKDocs
+### Equations - LaTeX Syntax
+Use $$ to start and end LaTeX notation:
+
+```
+$$
+
+\sum T_{A_\circlearrowright} = \beta \cong -T_{mp} - T_{M_3} - T_{M_2} - T_{m_1} + T_{\text{Motor}}
+
+$$
+```
+
+
+Renders as:
+
+$$
+\sum T_{A_\circlearrowright} = 0 = -T_{mp} - T_{M_3} - T_{M_2} - T_{m_1} + T_{\text{Motor}}
+$$
diff --git a/docs/javascripts/mathjax.js b/docs/javascripts/mathjax.js
new file mode 100644
index 0000000..0be88e0
--- /dev/null
+++ b/docs/javascripts/mathjax.js
@@ -0,0 +1,19 @@
+window.MathJax = {
+  tex: {
+    inlineMath: [["\\(", "\\)"]],
+    displayMath: [["\\[", "\\]"]],
+    processEscapes: true,
+    processEnvironments: true
+  },
+  options: {
+    ignoreHtmlClass: ".*|",
+    processHtmlClass: "arithmatex"
+  }
+};
+
+document$.subscribe(() => { 
+  MathJax.startup.output.clearCache()
+  MathJax.typesetClear()
+  MathJax.texReset()
+  MathJax.typesetPromise()
+})
diff --git a/docs/mission.md b/docs/mission.md
index 1a6d337..7b659ed 100644
--- a/docs/mission.md
+++ b/docs/mission.md
@@ -1,2 +1,2 @@
 # Mission
-We are designing affordable full DOF humanoid robots incrementally, halving the cost until the BOM is $1000.
+Design an affordable full DOF humanoid robots incrementally, halving the cost until the BOM is $1000.
diff --git a/mkdocs.yml b/mkdocs.yml
index e780e9e..c19bb43 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -1,30 +1,42 @@
 site_name: ondroid
 site_url: https://ondroid.ai
+
+nav:
+  - Getting Started:
+    - Mission: mission.md
+  - Calculations: 
+    - calculations/index.md
+    - Arms:
+      - Arm, L: calculations/calculations_arm.md
+  - Design:
+    - CAD: cad.md
+
 theme:
   name: material
   features:
-    - navigation.tabs
-    - navigation.sections
-    - toc.integrate
+    - navigation.prune
+    - navigation.indexes
     - navigation.top
     - search.suggest
     - search.highlight
     - content.tabs.link
     - content.code.annotation
     - content.code.copy
+
   language: en
+
   palette:
     - scheme: slate 
       toggle:
         icon: material/toggle-switch
         name: Switch to light mode    
-      primary: white
+      primary: grey
       accent: lime
     - scheme: default
       toggle:
         icon: material/toggle-switch-off-outline 
         name: Switch Mode
-      primary: teal
+      primary: grey
       accent: purple 
 
 plugins:
@@ -49,3 +61,14 @@ markdown_extensions:
   - pymdownx.mark
   - attr_list
 
+  - pymdownx.arithmatex:
+      generic: true
+
+markdown_extensions:
+  - pymdownx.arithmatex:
+      generic: true
+
+extra_javascript:
+  - javascripts/mathjax.js
+  - https://polyfill.io/v3/polyfill.min.js?features=es6
+  - https://unpkg.com/mathjax@3/es5/tex-mml-chtml.js