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MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
Inventor - Inventor is a 3D CAD software that lets you quickly create 3D models with embedded intelligence, intuitive workflows, and optimized performance.
GNU Octave - GNU Octave is a programming language for scientific computing.
FreeCAD - An open-source parametric 3D modeler
Wolfram Mathematica - Mathematica has characterized the cutting edge in specialized processing—and gave the chief calculation environment to a large number of pioneers, instructors, understudies, and others around the globe.
SolidWorks Simulation - Simulation solutions for SOLIDWORKS® provide an easy-to-use portfolio of analysis tools for predicting a product’s real-world physical behavior by virtually testing CAD models.