Euclidean Plane
The two-dimensional Euclidean space denoted R^2.
See also
Cartesian Plane, Complex Plane, Euclidean SpaceExplore with Wolfram|Alpha
WolframAlpha
More things to try:
Cite this as:
Weisstein, Eric W. "Euclidean Plane." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/EuclideanPlane.html