Scilab is a toolbox for all of your numerical computing needs. It is a great software package for people working in engineering or scientific areas. Linear algebra, matrices, polynomials - everything is easily handled by Scilab. Simulation e.g. based on solving differential equations can be visualized in either 2d or 3d and even with support for animation. Working with graphs is also an area that Scilab turns into a simple task. Using PVM (Parallel Virtual Machine) Scilab can even utilize a network of computers by distributing it calculations. Scilab is partly compatible with MATLAB.
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