On Sunday, November 25, 2018, the Faculty of Science, Dept. of Mathematics will organize a workshop for (20) person under the title of "Using COMSOL Multiphysics Software in Applied Sciences ". The registration will be in the Training and Development Center. Note: COMSOL Multiphysics software is a powerful tool for solving problems in physics, chemistry, and engineering. This software is a highly accurate numerical method (finite element method) to study models and show their geometry in 2D and 3D and with structures have very small dimensions such as nanostructures. Moreover, it can be used for large dimensions. The user does not need to be an expert in Mathematics. Most complicate mathematics details are set in this software.