Map to TA-Room ta.cs.columbia.edu Directions from 1st floor elevators As you exit the elevators, the vending machines will be in front of you. Turn right and you will come to a corridor: turn right again. The Help Room is the first door on the left. There is a yellow sign on the door that reads "Computer Science Help Room". Home TA Room Information Map to TA-Room TA Complaints Contacts Anonymous Feedback Becoming a TA TA Info for PhD Students When you are a TA TA Employment Process Important Links for TAs FAQ Private CS Tutors Useful Tools