This book gathers selected research papers presented at 4th International Conference on Engineering Mathematics and Computing (ICEMC 2024) at Haldia Institute of Technology, Haldia, India on 7-9 March 2024. This book presents a collection of state-of-the-art research work involving cutting-edge technologies for engineering mathematics and computing. The book presents recent developments in intelligent approaches, including type 3, type 2 fuzzy logic, neural networks, and optimization algorithms, decision making problems, NLP, and their applicability in developing intelligent information systems. The applications of these systems in fields such as pattern recognition, medical diagnostics, time series prediction, intelligent control and robotics, and complicated problems on optimization are also described by authors. .