If you are strong in engineering and calculus, then I would not recommend calculus or statistics. Instead, I think you should focus on some of the less intuitive business classes:
- Accounting (please take accounting if you have not had exposure to it before; and, if you can, take a class that requires you to do the ledger and actually convert the ledger into a balance sheet, income statement, and cash flow statement. I was SO glad I had done this before business school!!!).
- Microeconomics, ideally calculus based (i.e., at the advanced undergrad level; intro micro is probably not going to be be very useful to you).
- Finance: if you can get the intuition of finance up front, then the business school class will be a snap.
I'm afraid I don't know a good online course but perhaps the University of Phoenix (a well-known on-line university) has some interesting options. If not, I would check out my local community college or undergraduate school that allows you to study part-time or as a non-degree student.
Finally, if you can only take one: take accounting!!
Good luck and let me know your thoughts--
Paxton
Keep me in the loop about your thinking and let me know if you have any more questions.
Paxton
Paxton Helms is an MBA admissions consultant for Kaplan Admissions Consulting. He earned his MBA from UCLA and specializes in helping clients that are applying to top twenty and "reach" programs. He can be reached directly at
[email protected].
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I have an engineering background, so strong in calculus. Ideally, something not very long and possible to self study. THANKS IN ADVANCE 
