Samantha Kao Lecturer Email: kaos@arizona.edu Homepage: https://sites.google.com/view/kaosamantha/homeTelephone: 520-621-6892Office: MATH 506Office Hours* (Fall 2025):Mon03:00 PM - 04:00 PMTue03:00 PM - 04:00 PMThu12:00 PM - 01:00 PM* Mon OH: MTL 121 (Math 223 department tutoring)Scheduled Courses (Fall 2025):MATH:223 - 004Mon02:00 PM - 03:00 PMTue02:00 PM - 03:00 PMWed02:00 PM - 03:00 PMThu02:00 PM - 03:00 PMMATH:122A - 101Tutoring Locations (Fall 2025):Vector Calculus (MTL121) - FacultyMon03:00 PM - 04:00 PM