Created "MathJax in Studio" page

Created "A Brief Introduction to MathJax in Studio" page (as appendix
G) and included a link in "Math Expression Input" topic.

docs/course_authors/source/advanced_problems.rst

@@ -151,8 +151,7 @@ symbolic expressions.
 When you create a math expression input problem for your students in
 Studio, you'll use `MathJax <http://www.mathjax.org>`_ to change your
 plain text into "beautiful math." For more information about how to use
-MathJax in Studio, see *A Brief Introduction to MathJax in
-Studio*.
+MathJax in Studio, see :ref:`MathJax in Studio`.
 
 .. image:: Images/MathExpressionInputExample.gif
 

docs/course_authors/source/appendices/g.rst

+.. _MathJax in Studio:
+
+A Brief Introduction to MathJax in Studio
+=========================================
+
+To write clear and professional-looking symbols and equations, we use a LaTeX-like 
+language called
+`MathJax <http://www.google.com/url?q=http%3A%2F%2Fwww.mathjax.org%2F&sa=D&sntz=1&usg=AFQjCNGef2H-mZCdmCo7-kWHfu9fUGVCfg>`_.
+Your MathJax equations can appear with other text in the paragraph (inline equations) or
+on their own lines (display equations).
+
+- For inline equations, you can do either of the following.
+
+  - Surround your Mathjax expression with backslashes and **parentheses**.
+    
+    ``\( equation \)``
+
+  - Surround your Mathjax expression with [mathjaxinline] tags. Note that these 
+    tags use square brackets ([]).
+
+    [mathjaxinline] equation [/mathjaxinline]
+    
+- For display equations, you can do either of the following.
+
+  - Surround your Mathjax expression with backslashes and **brackets**.
+
+    ``\[ equation \]``
+
+  - Surround your Mathjax expression with [mathjax] tags. Note that these tags use 
+    square brackets ([]).
+
+    [mathjax] equation [/mathjax]
+
+You can use MathJax in HTML (text) components and in Problem components.
+
+.. note:: Complete MathJax documentation (together with a testing tool) can be 
+          found at `http://www.onemathematicalcat.org/MathJaxDocumentation/TeXSyntax.htm <http://www.google.com/url?q=http%3A%2F%2Fwww.onemathematicalcat.org%2FMathJaxDocumentation%2FTeXSyntax.htm&sa=D&sntz=1&usg=AFQjCNEV8PtCX6Csp0lW7lDKOLIKCOCkHg>`_.
+
+
+HTML (Text) Components
+----------------------
+
+In the HTML component editor, you can use MathJax both in Visual view and in HTML view.
+
+.. image:: ../Images/MathJax_HTML.gif
+
+Problem Components
+------------------
+
+In the Problem component editor, you can use MathJax both in the Simple Editor 
+and in the Advanced Editor.
+
+In the example problem below, note that the Einstein equation in the
+explanation is enclosed in backslashes and parentheses, so it appears inline with the text. The
+Navier-Stokes equation is enclosed in backslashes and brackets, so it appears on its
+own line.
+
+.. image:: ../Images/MathJax_Problem.gif
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