Xinran Qian (he, him, his) Graduate Assistant, TeachingGraduate Student, Mathematics Email: xqian@math.arizona.edu Telephone: 520-621-6892Office: ENR2 N270GGScheduled Courses (Spring 2024):MATH:112 - 051Mon09:00 AM - 10:00 AMWed09:00 AM - 10:00 AMFri09:00 AM - 10:00 AM