For my application I need to calculate overall GPA, last 45 hours, and my science GPA. How do I calculate the last 45 hours if it does not end evenly at one semester. I have 42 hours, but then I need to go to the previos semester, do I then just pick one class to get a total of 45, or average that semester and count it as 3 credits? I know I can call the admissions office, but I have talked to them several times and feel like I don't want to call them again. Thanks for any advice.