Hi @scruggles! Sorry about that, I didn't even link the article! Here is a better example: look at this article.
Now, in a new note if you try to paste in the first formula in the current Evernote Web, this is what you get:
So it looks absolutely fine.
However, if you paste it in the new beta Evernote Web (2016), this is what you get:
\int _{a}^{b}\!f(x)\,dx
So it looks way different... not as useful this time!
I have a bit more information about this as well, in case you need it. The second "form" of the equation, I'll call it, is actually the form that you