This document provides an overview of managerial accounting. It discusses how managerial accounting provides information for internal managers, compared to financial accounting which provides information to external parties. Key aspects of managerial accounting covered include planning, controlling, and decision making. The document also discusses how the business environment has changed with trends like just-in-time and total quality management, requiring more from managerial accounting. Finally, it outlines the code of ethics for management accountants from the Institute of Management Accountants, focusing on competence, confidentiality, integrity, objectivity, and resolving ethical conflicts.