High Quality Content by WIKIPEDIA articles! The swastika curve is the name given by Cundy and Rollett to the quartic plane curve with the Cartesian equationor, equivalently, the polar equationThe curve looks similar to the right-handed swastika, but can be inverted with respect to a unit circle to resemble a left-handed swastika. A Cartesian coordinate system specifies each point uniquely in a plane by a pair of numerical coordinates, which are the signed distances from the point to two fixed perpendicular directed lines, measured in the same unit of length.

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