A self-help tutorial on the latest implementations of the Simulink 5/6/7 visual block simulation package of the MATLAB R2006/2007. matrix system Simulink block library, methodology for preparing model diagrams, editing them, setting up and running on execution. are described in detail Description of the most important Simulink extension packages of the Blockset toolbox, including Sim. Power. Systems, Sim. Mechanics, Aerospace, Stateflow, Signal Processing, Telecommunications, Video and Image Processing, etc. Reflected Virtual Reality Tools. Hundreds of illustrative examples of the use of these tools. are described. The publication is intended for students, teachers and postgraduates of universities and universities, engineers and researchers .