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A '''geographical coordinate system''' is a [[coordinate system]]. This means that every place can be specified by a set of three nu [[Category:Coordinate systems]] ...

Spacetime can be thought of as a four-dimensional coordinate system in which the axes are given by ...he reason for measuring time in units of the speed of light times the time coordinate is so that the units for time are the same as the units for space. Spacetim ...

...polar axis ''L''. In green, the point with radial coordinate 3 and angular coordinate 60 degrees or (3,60°). In blue, the point (4,210°).]] ...]], the '''polar coordinate system''' is a [[dimension|two-dimensional]] [[coordinate system]] in which each [[point (mathematics)|point]] on a [[plane (mathemat ...

...values of results or variables, etc. Most have the ability to [[Cartesian coordinate system|plot functions and expressions]] for visualization, which can be hel Computer algebra systems can be special purpose, focusing on only a few types of symbolic math, to v ...

:To define the transformations we use a [[Cartesian coordinate system]] to mathematically describe the time and space of "events". :The time of the event is described with the fourth coordinate ''t'' in relation to an arbitrary (0) point in time in some unit of time (l ...

...'principal axis''', and by convention is given the z-axis in a [[Cartesian coordinate system]]. ...