|The diagonals of a parallelogram|
Calculator computes the diagonals of a parallelogram and adjancent angles from side lengths and angle.
|Display aspect ratio and dimensions|
This online calculator finds screen dimensions - height, width and area, given the diagonal value and aspect ratio.
|Area of a quadrilateral|
This article lists several calculators to compute the area of a quadrilateral
|Area of a Rectangle by the length of one side and the diagonal|
This online calculator finds the area of a rectangle from the length of one side and the diagonal.