Hong Kong Mental Math Academy(before EC Learning Center) Established in 2011, it belongs to the Hong Kong branch of the World Abacus and Mental Arithmetic Federation. The World Abacus and Mental Arithmetic Federation was established on October 28, 2002. Its members are all over the world, including China, the United States, the United Kingdom, Japan, Canada, Singapore, Australia, South Korea and Du... Thanks to other places, we aim to improve the level of local mathematics by organizing and co-organizing different types of competitions and assessments. In addition to local competitions and assessments, we will also actively expand exchanges with other places to broaden students' horizons.