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**Up:** Part I: Two-Dimensional Geometry
** Previous:** Part I: Two-Dimensional Geometry

When we talk about ``the point with coordinates (*x*,*y*)'' or ``the
curve with equation *f*(*x*,*y*)'', we will always have in mind cartesian
coordinates (Section 1.2). If a formula
involves another type of coordinates, this will be stated explicitly.

- 1.1 Substitutions and Transformations
- 1.2 Cartesian Coordinates in the Plane
- 1.3 Polar Coordinates in the Plane
- 1.4 Homogeneous Coordinates in the Plane
- 1.5 Oblique Coordinates in the Plane

*Silvio Levy
Wed Oct 4 16:41:25 PDT 1995*

This document is excerpted from the 30th Edition of the *CRC Standard Mathematical Tables and Formulas* (CRC Press). Unauthorized duplication is forbidden.