This book is a collection of research papers from the "7th International Conference on Mathematical Modelling, Applied Analysis and Computation" organized by Lebanese American University, Beirut, Lebanon from April 18-20, 2024. This proceeding contains research papers related with fundamental mathematical theory and methods in a very suitable manner and useful for handling various contemporary issues of physical, chemical and engineering sciences. The aim of this conference is to foster cooperation among mathematicians and scientists working in these areas. This book is a very useful resource for mathematicians, scientists and engineers working in the field of applied mathematics, analysis and computation for solving real life problems of different domains.