This book constitutes the selected papers from the 9th World Conference on Soft Computing or WConSC 2024, held on September 25-27, 2024, in Baku, Azerbaijan. The conference was organized by the University of California Berkeley, California, USA, and Azerbaijan State Economic University, Azerbaijan. The conference papers included in these proceedings were grouped into the following research areas: Fuzzy simulation and data mining, intelligent and multi-agent systems, fuzzy recognition, artificial intelligence, fuzzy sets and quantum computing, fuzzy control systems, fuzzy methods and modern approaches, fuzzy methods and modern approaches, fuzzy control and fuzzy approach, fuzzy sets and decision on making, soft computing and fuzzy logic, fuzzy applications and fuzzy control, fuzzy logic and its applications, fuzzy neural networks, intelligent methods and fuzzy approach, fuzzy methods and applications in medicine, fuzzy applications and analysis system. The topics of this book provide useful information to professors, researchers, and graduated students in the area of soft computing techniques and applications.