A **square** is one of the basic shapes of geometry. A two-dimensional figure with four verticies.

In arithmetics? and algebra, the**square** of an entity *x* is the result of multiplying it with itself. This is the same as computing the surface area of a geometric square of size *x*, and the same as *x* raised to the power of two: *x*^{2} = *x* * *x*

In architecture, a**square** means an intentional open space in a city. See [Red Square]? and [Tien Anmen]?.

In carpentry?, a square is a tool used to establish right angles between boards. Paradoxically, its appearance resembles a triangle.

In arithmetics? and algebra, the

In architecture, a

In carpentry?, a square is a tool used to establish right angles between boards. Paradoxically, its appearance resembles a triangle.