The course "Journey into the Mysterious World of Mathematics: Fundamental Concepts and Applications" aims to teach participants fundamental mathematical concepts in a fun and interactive way. This course focuses on developing participants' analytical thinking skills through various application areas based on the fundamental principles of mathematics. Participants will explore the scientific and cultural dimensions of mathematical thinking through practical examples suitable for all levels. They will also strengthen their collaborative spirit through group work. By the end of the course, participants will have a solid foundation of knowledge about mathematical concepts and applications, improved problem-solving skills, and the ability to use mathematics more effectively in their daily lives.