Question

what is cartesian system?

Answer 1

Cartesian coordinates (rectangular coordinates) ... The coordinate system is also employed in mathematics, physics, engineering, navigation, robotics, economics and other sciences. The Cartesian plane consists of two perpendicular axes that cross at a central point called the origin

Answer 2

A Cartesian coordinate system is a coordinate system that specifies each point uniquely in a plane by a pair of numerical coordinates, which are the signed distances to the point from two fixed perpendicular directed lines, measured in the same unit of length.