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You can find the coordinates of the intersection, contact and the center coordinates of the contact circle.

Function list:

*Intersection, contact calculation

- Intersection of the straight line and a straight line

- Intersection of the circle and circle

- Intersection of the line and circle

- Polar coordinates

- Rotation of point

- Line symmetry

- Tangent to circle and point

- Tangent to circle and circle

- Angle line in contact with the circle

*Circle tangent calculation

- Circle passing through the three points

- Circle tangent to the line and two points

- Circle tangent to a circle and two points

- Circle tangent to two lines and points

- Circle tangent to a circle and point and line

- Circle tangent to two circles and point

- Circle tangent to three straight lines

- Circle tangent to a circle and two straight lines

- Circle tangent to line and two circles

- Circle tangent to the three circles

*Calculation center of the circle

- Circle passing through the two points

- Circle tangent to point and line

- Circle tangent to circle and point

- Circle tangent to two straight lines

- Circle tangent to circle and line

- Circle tangent to two circles