This web site answers many of your questions. It provides fact sheets, forms you need to use and advice about using resources and getting the assistance you need to be successful in meeting your degree requirements.
Note: All links to the Undergraduate Calendar on this site are to the current calendar. You may be registered under a different calendar. Check the top of your Program Evaluation. Your calendar is listed as "catalog".
S18 course selection add period April 30 to May 18, 2018
First Year Course Selection
List of acceptable Math/Natural Science courses (scroll down on the page)
The next course add periods will run from April 30 - May 18, 2018
Are you looking for something to take as an elective in the BA program (but not sure what some of the options are)?
Fall 2017 Deferred Examination Information
Fall 2017 Deferred Exams - February 5 - 9, 2018 (exam schedule to be updated by end of January)
Deadline to Drop (40th Class Day)
LAST DAY TO DROP REGULAR WINTER COURSES IS MARCH 9, 2018 (12 WEEK COURSES)
Other Important Dates
The full "Schedule of Dates" can be found in the Undergraduate Calendar.