Add examples of latex expressions

docs/source/examples/Notebook/Working With Markdown Cells.ipynb

@@ -166,7 +166,17 @@
     "Courtesy of MathJax, you can include mathematical expressions both inline: \n",
     "$e^{i\\pi} + 1 = 0$  and displayed:\n",
     "\n",
-    "$$e^x=\\sum_{i=0}^\\infty \\frac{1}{i!}x^i$$"
+    "$$e^x=\\sum_{i=0}^\\infty \\frac{1}{i!}x^i$$",
+    "\n",
+    "Inline expressions can be added by surrounding the latex code with `$`:\n",
+    "```\n",
+    "$e^{i\\pi} + 1 = 0$\n",
+    "```\n",
+    "\n",
+    "Expressions on their own line are surrounded by `$$`:\n",
+    "```latex\n",
+    "$$e^x=\\sum_{i=0}^\\infty \\frac{1}{i!}x^i$$\n",
+    "```"
    ]
   },
   {