International competition for mathematical modeling. According to Baidu Encyclopedia, the CAMCM Mathematical Modeling International Competition is a national mathematical modeling activity co-sponsored by the Mathematical Society of Inner Mongolia Autonomous Region and the Global Mathematical Modeling Ability Certification Center * *, and co-organized by Mathematical China and Fifth Dimension Information Technology Co., Ltd. It has the functions of a selection contest and a practice contest for American college students, and is also known as the Little Beauty Women's Competition.