Find out what your grade would be with certain assignments added.
This extension is meant to help you figure out what your total grade would be after an assignment is entered into the grade book.
Please keep in mind that this app is still in development and I am not a professional. I'm just saying that it's not the most user-friendly application on the inter-webs. So, if you are having trouble using it (you probably will), please fill out the google form (link below) and I will get back to you as soon as I can.