Mr. Bawar Muhammed Faraj, a UoH lecturer at College of Sciences, Computer Department, as a one of the keynote speakers participated in an international conference named, “RADEN INTAN INTERNATIONAL CONFERENCE ON ENVIRONMENTAL, SCIENCE, AND MATHEMATICS EDUCATION (RIIC-ESME)” at the faculty of Teacher Training and Education, Universitas Islam Negeri Raden Intan Lampung, Indonesia on the 4th-6th of December 2023. During the conference, Mr. Bawar, who also managed a session, discussed his two latest papers on numerical analysis and presenting the recent methods on this field.