Study Tools Depending on your class, some of the following study tools might be available to help you learn and study your coursework. Access Study ToolsUse your study tools to prepare for exams. Study tools include resources available with your textbook, and Quick Prep assignments and Adaptive Study Plans enabled for practice by your instructor. Add Cengage Unlimited Study ToolsYour Cengage Unlimited subscription includes access to practice tests and study guides for many subjects. Add study tools to your dashboard for quick access.