Zhixuan Zhang Graduate Assistant, TeachingGraduate Student, Mathematics Email: zzhang0615@math.arizona.edu Office: ENR2 S370DDOffice Hours (Fall 2023):Tue04:00 PM - 05:00 PMThu12:00 PM - 01:00 PMFri08:00 AM - 09:00 AMScheduled Courses (Fall 2023):MATH:116 - 005Tue08:00 AM - 09:15 AMThu08:00 AM - 09:15 AMMATH:196L - 002Tue05:00 PM - 07:00 PM