Math-203, Multivariate Calculus Section 12.1
3-D Cartesian (Rectangular) Coordinate System
Dr. Kevin G. TeBeest
NOTE: We refer to 3 dimensional real space as R3,
read as "R three space" or simply "R three" (not "R cubed").
In rectangular coordinates, R3 =
{ (x, y, z) |
∞ < x < ∞,
∞ < y < ∞,
∞ < z < ∞ }.