angle(A,B,C) angle ABC.
angle(AB,CD) angle between segments AB and CD.
angle(L0,AB) angle between line L0 and segment AB.
angle(L0,L1) angle between line L0 and line L1.
area(A,B,C,D) area of the polygon ABCD
area(C0) area of circle C0
coefficients(AB) coefficients of the vector AB
coordinates(A) coordinates of the point A
direction(A,B) slope of a line from A to B.
direction(AB) slope of the line segment AB.
direction(L0) slope of the line L0.
distance(A,B) distance from point A to point B.
distance(A,BC) perpendicular distance from point A to segment BC.
distance(A,L0) perpendicular distance from point A to line L0.
equation(AB) equation of the line AB
equation(L0) equation of the line L0
equation(C0) equation of the circle C0
equation(K0) equation of the curve K0
length(AB) length of the line segment AB.
parametricequations(AB) parametric equations of the line AB
parametricequations(L0) parametric equations of the line L0
parametricequations(C0) parametric equations of the circle C0
parametricequations(K0) parametric equations of the curve K0
perimeter(A,B,C,D) perimeter of the polygon ABCD
perimeter(C0) perimeter of circle C0
radius(C0) radius of the circle C0.
slope(A,B) slope of a line from A to B.
slope(AB) slope of the line segment AB.
slope(L0) slope of the line L0.
centroid(A,B,C,D) centroid of the polygon ABCD
Ix(A,B,C,D) area moment of inertia of the polygon ABCD about a line through the centroid and parallel to the x-axis
Ixy(A,B,C,D) area product of inertia of the polygon ABCD about the centroid
Iy(A,B,C,D) area moment of inertia of the polygon ABCD about a line through the centroid and parallel to the y-axis
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