Google will covert units for you. Try entering “7920 ft. to miles” into the search box. You can even use it as a calculator, for example try calculating the area of a 2.5 inch radius circle like this “pi*2.5^2”
Year: 2005
Have FireFox? You need the All-In-One Gestures extension. It allows you to make gestures using the mouse pointer to do things such as move forward and back, change tabs or close the current window.
I finally downloaded FireFox and I’m impressed. Make sure to get your copy.