xkcd feeds.twtxt.net Tue, Feb 7 22:00 2023 (1y ago) Coordinate Plane Closure 3D graphs that don't contact the plane in the closure area may proceed as scheduled, but be alert for possible collisions with 2D graph lines that reach the hole and unexpectedly enter 3D space. Download3D graphs that don't contact the plane in the closure area may proceed as scheduled, but be alert for possible collisions with 2D graph lines that reach the hole and unexpectedly enter 3D space. ⌘ Read more ⤋ Read More