thinkthroughmath/ttm-coffeescript-math — pull request #5 by robwierzbowski (2014-09-02 17:01:44+00:00)
Title: [#5815290] Fix error if last expression is the result of a square root

For some reason roots don't have `.last()` on their expression. There might be a
better fix.

As prophesied, this is the continuation of #4 because of some good in situ QA.