Area of a Circle is a handy and reliable Firefox extension designed to computer the area of a circle based on the radius, circumference or diameter and viceversa.
Just enter one of the dimensions and get the results for the other. In addition, you don't have to restart the browser in order to enjoy its functionality.
· Firefox 3.0 and later
Users are advised to pay attention while installing this ad-supported application:
· Displays ad banners or other types of advertising material during its runtime