Completing Different Types of Assignments# Completing Mathematical and Scientific Assignments Overview of Mathematical and Scientific Expressions Completing Mathematical Problems with Screen Readers Entering Math Expressions in Assignments or the Calculator Numbers Scientific Notation and Metric Affixes Constants Greek Letters Functions Entering Math Expressions in Course Discussions Taking a Timed Exam Timed Exam Overview Taking a Timed Exam Hiding the Exam Timer Requesting Additional Time Proctored Exams Proctored Exam Technical Requirements Practice Proctored Exams Proctored Exam Rules for Learners Learner Rules for Online Proctored Exams Test Environment Rules The Computer You Use to Take the Test Your Behavior Additional Time or Special Allowances Explaining Multiple Choice Answers Assignment Overview Completing the Assignment Step 1. Explain Your Choice Step 2. Review Other Initial Responses Step 3. Revise Your Response Step 4. Review the Correct Answer Step 5. Compare Answers Feedback