Introductory lectures for 1st year undergraduate and integrated undergraduate and graduate students were held at Department of Mathematics on October 1, 2021. Introductory lecture for 1st year Undergraduate University Programme in Mathematics students was held live at 10:00 hours in lecture room 003 with direct video stream in lecture rooms 004 and 005, in order to ensure distance and other epidemiological measures. Introductory lecture for 1st year Undergraduate University Programme in Mathematics Education and   Integrated Undergraduate and Graduate University Programme in Mathematics and Physics Education students was held live at 13:00 hours in lecture room 003 in compliance with all epidemiological measures. We welcome our freshman students and wish them comfortable and successful beginning of higher education at Department of Mathematics, Faculty of Science.