If you anticipate a hard class or tough marker, consider taking it pass fail. Check on the rules but you can not take it for your major and maybe CORE classes. Usually it is for electives but check with Academic Advisement or the registrar. You have to file a form at the registrar in the first 2 weeks of class and they are located in the WEB for 2 weeks.
The Library Cafe has been doing upgrades on the computers and it is hard to know when they close.(718.951.4672). The WEB (718.951.5787) is open till 8:45pm weekdays and possibly 4:45pm weekends.