The International E-Conference on Pure and applied mathematical sciences (ICPAMS-2021) have been created to exchange knowledge and build durable collaborative framework projects. The first edition ICPAMS-2021 focuses on all areas of pure and applied mathematics and provides a rich program with high-level conferences by renown-invited speakers.The main topics of this conference are Algebra, Probability, Statistics, Partial Differential Equation, Optimization, Differential Calculus, Fractional Calculus, Modeling, and Numerical Analysis...