Is R mod 2pi a Compact Manifold?

morphism

R mod 2pi doesn't look like the real line; it looks like the interval [0,2pi] except the end points are identified. (So it's a circle...)

morphism Recognitions: Homework Help Science Advisor	R mod 2pi doesn't look like the real line; it looks like the interval [0,2pi] except the end points are identified. (So it's a circle...)