ZAXIS

*3-D graph line

• 3-D coordinate

• 3-D reference provider

• Cartesian concept

• Depth finder?

• Geometric reference

• Graph line in 3-D

• Graph line in the third dimension

• It's perpendicular to the x-y plane (8th)

• Line in a 3-D system

• Line through the origin in spherical coordinates

• Plot line?