For the life of us, we can't figure out why anyone other than a rocket scientist would want to install a different version than this free one that comes pre-installed. Windows calculator has two interfaces: an easy one, and a scientific one. So perhaps a rocket scientist could fare well with Windows Calculator after all! "1 Additionally, "EU lawmakers approve prison terms, fines for major commercial piracy (International Herald Tribune) EU lawmakers voted Wednesday for legislation that would set prison sentences and fines for large-scale commercial piracy, but exempt patents and copying carried out for personal use. A powered computer lacking an operating system wouldn't display anything more than a bunch of confusing text messages that describe the computer's boot process. At the very end of this process, the computer looks for an operating system and if not found, it will prompt the user to tell it where it is. For fun, let's investigate just how little knowledge these thousand-dollar machines actually require. Can an absolute newbie operate a computer without knowing how to use a mouse or keyboard? Assuming that a computer is set up to operate on voice command - sure! Voice command software allows users to tell a computer what to do and the computer responds by fulfilling the user's commands. A simple Google or Yahoo search for a particular type of program will yield all sorts of results that point you toward items that you can try before you buy. Be aware however, that because shareware is not commercial software, you may not experience a full program the way you would if you bought the software out of a box. A Few Common Computer Errors (And What They Mean) Computer errors can pop up when least expected, they can cause the entire system to suddenly shut down, and they can inadvertently corrupt data to the point where it can't be deciphered. Although they can't always be avoided, it's important to remember that computer errors can be corrected.