No guests are allowed at the test center at all. In the room itself: no bags, backpacks, or purses; no watches (analog or digital); no phones or other electronics; no personal calculators (an on-screen calculator is provided); no study materials; no outerwear or brimmed hats; and no food or drink except water in a clear, transparent bottle that will be inspected by staff. Personal items must be stored in a locker before you enter.