After reviewing the introduction to ICD-10-PCS coding and the overview of root operations, discuss the purpose of root operations in ICD-10-PCS coding. Why is it so important for coders to be familiar with and memorize the root operations? What are the differences between the main term in ICD-10-PCS coding and the root operation? In your responses, discuss the importance of studying and learning root operations as well as methods you will use to learn the root operations.