Inverse variation

Calculates y, coefficient, or x from y = k * x.

Calculates the angle between two non-zero 3D vectors.

Calculates the nth term, first term, common difference, or term number of an arithmetic sequence.

Calculates a value inside a rectangle from four corner values using bilinear interpolation.

Calculates the nth term, first term, ratio, or term number of a geometric sequence.

Calculates y between two points using linear interpolation.