This handy and comprehensive guide provides a reference to all AutoCAD commands and variables. It will make an ideal desk-top companion for anyone using AutoCAD. This edition has been thoroughly re-written and updated to cover Release 13 features. As well as providing a summary of each command and variable, Dorothy Kent also provides: - useful tips and warnings from an expert; - example sequences and screen images to illustrate the use of commands and variables; - identifies which variables may be used with commands, menu macros, and AutoLISP. All the essential information is right here at your fingertips, and all the commands are arranged alphabetically making for easy access to the information you need.