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 28 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 supervised a large number of graduate students (Master's and PhD in Applied Mathematics and Computer Science), He has also published 4 books - Numerical Analysis and Logic Algebra- at Aleppo University. Now he has 12 Master's and PhD candidates working in the area of rotating of tensors, Numerical solution of Non-linear Algebraic Equations. He published 88 papers in Pure and Applied Mathematics. Reviewer manuscript in plus of 37 Internationals Journals and Congress.