Electrical circuit elements. Elements with two and more terminals. Inputs and outputs. Access points and ports. Definition of a constitutive relations in time, complex and frequency domain. Response and transfer function. Component parametrization. Equivalent circuits of complex components and real electrical circuits. Simulation models. Linearization of simulation models. Non-linear models and solving circuits in non-linear and non-stationary regimes. Functional tests. Performance tests. Standard compliance tests. Working in a simulation environment. Degrees of freedom and control of the complexity and duration of simulation methods. Getting familiar with the software package LTSpice. Component classes. Some specific I/O ports and pins and standards for their representation. Simulating response of discrete components. Simulation, functionality and performance analysis of complex analogue and digital electric circuits. Displaying response and transfer functions. Analysis in frequency domain. LTSpice advanced features. Fundamentals of the programming package MATLAB/SIMULINK. Numerical calculations. Signal processing and system statistical analysis and optimization in MATLAB. Implementation of algorithms. SIMULINK graphical interface for dynamic system modelling, simulation and analysis in various domains. System simulation and debugging in real time. Volume control and visualization of simulation results. Descriptive statistics and tools for interpretation of simulation results.