I just noticed something disturbing, and I hope it isn't in ALL of the pages (esp. math) that I have built. I can see 1 thing in edit view, but see something different in the webview (uneditable pages. I've been up WAY too long already and can't think of the correct word.)
I've included a screen shot to show you what I'm talking about. Notice that I can see a set of numbers in the edit version, but not when I save it.
I just cleared my cache last night before I left work, so this shouldn't be the issue.
I might have found my own answer, again. I might have copied the set from somewhere else, and it doesn't show. I didn't recognize the HTML code or address when I looked at it.