Mentor 648.66 is a software package used for electronic design automation. It is a comprehensive design suite used for electrical and electronic circuit design and analysis. It includes powerful tools for schematic capture, layout, simulation, and design analysis. It is often used to design complex electronic systems, especially those used in automotive, aerospace, military and medical applications. It offers a robust set of features that enable engineers to easily import, define, analyze and optimize design parameters. Its graphical user interface supports multiple windows, making it ideal for both novice and experienced users. Additionally, Mentor 648.66 is integrated with several software platforms, allowing it to be used in a wide range of design architectures.