Dr Nasr Al Din IDE  is a Professor in Numerical Analysis, Aleppo University, Department of Mathematics. He has his DEA from Claude Bernard University, FRANCE  and PhD from ENSMST, FRANCE. He has 34 years of teaching. His research area is rotating of tensors, Numerical solution of Non-linear Algebraic Equations, Finite Element Analysis, Homotopy Methods. He has published  papers in the international journal Mathematics and Applied Mathematics. He has also published a 4 book on Numerical Analysis and Logic Algebra at Aleppo University. he has 7 PhD candidates working in the area of rotating of tensors, Numerical solution of Non-linear Algebraic Equations. He published 126 papers in Pure Mathematics and Applied Mathematics.