The Second Edition of the International Day of Mathematics was celebrated at the AIMS- Cameroon Center on March 14 th 2021 under the theme: “Mathematics for a Better World”. In the presence of the Centre President, Professor Mama Foupouagnigni, students from four secondary schools participated in a mini-Olympiad while presidents of two Mathematics Teachers’ Associations joined the Academic Director of AIMS-Cameroon in a Panel Discussion on the day’s theme.