Began Sympy lab.
A rough draft of the sympy lab.
A revision of the SymPy lab.
Added a sleight comment to the SymPy lab.
Merge branch 'master' into sympy
minor edits

fix spacing in some parts.

Also replaced unsupported $$ for \begin{equation*} ... \end{equation*}.
Fixed minor spelling errors.
further edits to improve readability
Merge pull request #7 from ayr0/sympy

minor fixes
Some sleight corrections to the SymPy lab.
Updated simplification example in the SymPy lab to be compatible with
SymPy 7.2.
Fixed latex to match expression to be simplified in sympy lab.
minor formatting fixes

Fixed some very minor formatting issues
Merge pull request #8 from ayr0/sympy

minor formatting fixes
Merge branch 'master' into statslabs
Merge branch 'statslabs' of github.com:insertinterestingnamehere/numerical_computing into statslabs