What is a repeated course?
A repeated course is a course you have taken more than once, perhaps to get a better grade. What is very nice about repeating a course is the last grade you receive replaces the first. The last grade is factored into your GPA.
What does this column do?
The Repeat column is used to tell the GPA calculator that you have repeated a course.
How do I tell the GPA calculator that I repeated a course?
Click on the checkbox in the course's row. Then type in the grade you received the first time you took the course in the textbox next to it on the right.