Scilab is a free and open source software for engineering and scientific calculations. It has applications for linear algebra, control systems, differential equations, and mathematical modeling. Scilab can be used through its console interface or graphical user interfaces. It also features Xcos for modeling and simulating dynamic systems. Some modern topics that can be explored in Scilab include image processing, fuzzy logic applications, adaptive coding, and digital image authentication. For more information contact the listed website and email.