Rulers are great for straight line distances, but would a ruler be a good choice to measure the length of a river or road? What if you are measuring a distance along roads from one city to another? How would you measure curved lines with a straight ruler? Univerasl Desktop Ruler allows you to measure not only a straight line distance but any curved distance on the Screen. It allows you to measure quickly and accurately distances, areas and perimeters of figures on the screen. You can determine your own scale and get results in pixels and your units of measurement (feet, inches, meters, ...). It is useful for measuring distance and area on a map, finding area and perimeter in a house project for example. Additionally it has a screen magnifier function.