Unit Square

$\begin{figure}\begin{center}\BoxedEPSF{UnitSquare.epsf}\end{center}\end{figure}$

A Square with side lengths 1. The unit square usually means the one with coordinates (0, 0), (1, 0), (1, 1), (0, 1) in the real plane, or 0, 1, , and in the Complex Plane.

See also Heilbronn Triangle Problem, Unit Circle, Unit Disk