Recreational mathematics is a branch of mathematics that focuses on solving puzzles, games, and problems for enjoyment rather than for professional or academic purposes. It often involves exploring interesting patterns, logical reasoning, and creative problem-solving techniques. This field can include topics such as number theory, combinatorics, and graph theory. Many people engage in recreational mathematics through activities like Sudoku, logic puzzles, and mathematical games. It serves as a fun way to develop mathematical thinking and skills while fostering a love for the subject. Notable figures in this area include Martin Gardner, who popularized recreational mathematics through his writings and columns.