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Plane geometry
(7)
Linear equation through two points
Derives the linear equation through two points, and calculates the distance and slope between two points.
Linear equation with two intercepts
Calculates the linear equation with x-intercept and y-intercept and the slope.
Coordinates of the intersection of two lines
Calculates the coordinates and acute cross angle of the intersection of two lines.
Area of the triangle surrounded with three points
Calculates the area and boundary length of the triangle surrounded with three points.
Rotation of axes
Calculates the new coordinates after rotation of axes.
Transformation to Polar coordinates
Transforms Cartesian coordinates into polar coordinates.
Transformation to Cartesian coordinates
Transforms polar coordinates into Cartesian coordinates.
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