It may be that it has been while since you “did” any mathematics, or it may be that you could use some reminders to build your confidence in working with numbers, variables, and graphs. This section of the website provides a variety of tutorials to help you refresh your knowledge and understanding of arithmetic and basic algebra. You are encouraged to work through any of the tutorials as you need them. By the way, you shouldn’t feel like you are alone in your struggles with mathematics; there are certainly many others in your class that can also use some help along the way. Your college or university very likely has tutoring or learning center assistance available to help you become more comfortable with mathematics as well. Don’t let any discomfort with mathematics stop you from being successful in your astronomy course. After all, MATHEMATICS IS THE NATURAL LANGUAGE OF THE UNIVERSE!