ICRAMI 2021 aims to bring researchers, practitioners together to present the most up-to-date achievements., to meet new colleagues, collect new ideas and establish new cooperation between research groups and provide a platform for researchers from academic and industry to present their original work and exchange ideas, information, techniques and applications in the field of Mathematics and Computer sciences, including, but not limited to the broad topics of Partial Derivative Equation, Dynamical System, Operations Research, Numerical Analysis, Operator theory, Soft Computing, Cryptology & Security Analysis, Image Processing, Big Data, Cloud Computing, Data Analytics, IoT, Pervasive Computing and other emerging areas of research.