There's absolutely no reason you shouldn't do some more advanced research but graven is spot on with his advice - economics is a social science - don't lose yourself if mathematical equations! They are merely a tool.
Obviously I haven't read your course material but I imagine at the stage...
There are plenty of resources available Werg. Did you have a specific question or are you meaning macroeconomics in general? I appreciate what you're saying about wanting some more "technical" explanations but I would suggest as well that you get to grips with the general concepts first - that's...