|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
|Rectangular Area Calculator|
The Rectangular Area Calculator computes the area of a rectangle based on two inputs: one side length and the length of the diagonal.