In mathematics, the **polar coordinate system** is a two-dimensional coordinate system in which each point on a plane is determined by a distance from a fixed point and an angle from a fixed direction.

The fixed point (analogous to the origin of a Cartesian system) is called the *pole*, and the ray from the pole in the fixed direction is the *polar axis*. The distance from the pole is called the *radial coordinate* or *radius*, and the angle is the *angular coordinate*, *polar angle*, or *azimuth*.

Read more about Polar Coordinate System: History, Conventions, Converting Between Polar and Cartesian Coordinates, Polar Equation of A Curve, Complex Numbers, Calculus, Connection To Spherical and Cylindrical Coordinates, Applications

### Other articles related to "coordinate systems, coordinate system, polar coordinate system, systems, coordinate, polar, coordinates":

... The most popular

**coordinate systems**are the Cartesian

**coordinate system**, the

**polar coordinate system**and the geographic

**coordinate system**... Cartesian

**coordinate system**

**Polar coordinate system**Geographic

**coordinate system**...

**Polar Coordinate System**- Applications - Modeling

...

**Systems**displaying radial symmetry provide natural settings for the

**polar coordinate system**, with the central point acting as the pole ...

**Systems**with a radial force are also good candidates for the use of the

**polar coordinate system**... These

**systems**include gravitational fields, which obey the inverse-square law, as well as

**systems**with point sources, such as radio antennas ...

... words, the real world does not care about our

**coordinate systems**... it is often useful to fix upon a particular

**coordinate system**, in order to solve actual problems or make actual predictions ... A

**coordinate**condition selects such

**coordinate system**(s) ...

**Polar Coordinate System**

... Another common

**coordinate system**for the plane is the

**Polar coordinate system**... as the pole and a ray from this point is taken as the

**polar**axis ... For a given angle θ, there is a single line through the pole whose angle with the

**polar**axis is θ (measured counterclockwise from the axis to the line) ...

... Land surveys and surveys of existing conditions are generally performed according to geodesic

**coordinates**... However for the purposes of construction a more suitable

**coordinate system**will often be used ...

### Famous quotes containing the words system and/or polar:

“My advice to people today is as follows: If you take the game of life seriously, if you take your nervous *system* seriously, if you take your sense organs seriously, if you take the energy process seriously, you must turn on, tune in, and drop out.”

—Timothy Leary (b. 1920)

“Professor Fate: My apologies. There’s a *polar* bear in our car.”

—Arthur Ross. Professor Fate (Jack Lemmon)