ix Copyright Goodheart-Willcox Co., Inc. Online Instructor Resources Online In s tructor Re s ource s The Online Instructor Resources provide support materials designed to help instructors effectively plan and teach AutoCAD courses. Support materials are avail- able in one accessible location and include tips for the instructor, answer keys, drawing problem solution fi les, course syllabi, fi nal exams, and practice certifi cation exam ques- tions. Also included is assessment software with question banks featuring hundreds of questions corresponding to each chapter in the text. The Online Instructor Resources are available as a subscription and can be accessed at school or at home. Fonts Used in This Textbook Font s U s ed in Thi s Textbook Different typefaces are used throughout this textbook to defi ne terms and identify AutoCAD commands. The following typeface conventions are used in this textbook: Text Element Example AutoCAD commands LINE command AutoCAD menu and ribbon selections Draw Arc 3 Points AutoCAD system variables LTSCALE system variable AutoCAD toolbars and buttons Quick Access toolbar, Undo button AutoCAD dialog boxes Insert Table dialog box Keyboard entry (in text) Type LINE Keyboard keys [Ctrl]+[1] key combination File names, folders, and paths C:\Projects\Blocks\Desk.dwg Microsoft Windows features Start menu, Start screen, Programs folder Prompt sequence Command: Keyboard input at prompt sequence Command: L or LINE↵ Comment at a prompt sequence Specify first point: (pick a point or press [Enter]) Other Text References Other Text Reference s For additional information, standards from organizations such as ANSI (American National Standards Institute) and ASME (American Society of Mechanical Engineers) are referenced throughout the textbook. Use these standards to create drawings that follow industry, national, and international practices. Trademarks Tr a dem a rk s Autodesk, the Autodesk logo, DWG, the DWG logo, and AutoCAD are registered trademarks or trademarks of Autodesk, Inc., and/or its subsidiaries and/or affi liates in the USA and other countries. Microsoft, Windows, Windows 10, Windows 8, and Windows 7 are registered trademarks of Microsoft Corporation in the United States and/or other countries.