Kevin R. Crook

University of California, Berkeley

Review all topics the Math Refresher for Cryptography W202 pdf document below.
If you understand a topic in this document already, you are good to go.
If you need more work on a topic, it gives the relevant section in the OpenStax College Algebra textbook. Read and work through the exercises in that section.
If you still need more work on a topic, you may want to consider a private tutor. This would be on your own at your own expense. We cannot recomment nor arrange tutors.