The TA office hours are: Eric Dykeman W 9:40 - 10:30 PSF-331 480-965-0667 W 12:40 - 1:30 PSH-352 Help-Study Yi Shen F 1:40 - 2:30 PSF-352 Help Study F 2:30 - 4:30 PSF-350 480-965-0872 Yoshiko Oharu T 2:00 - 3:00 PSH-353 Marva Whitaker T 2:00 - 3:00 PSF-478