An interval is a natural way of specifying a number that is specified only within certain tolerances. Interval analysis consists of the tools and methods needed to solve linear and nonlinear systems of equations in the presence of data uncertainties. Applications include the sensitivity analysis of solutions of equations depending on parameters, the solution of global nonlinear problems, and the verification of results obtained by finite-precision arithmetic.

Don't wait minutes for your computer to run through the startup items and don't allow your computer to be slowed down by all of those worthless background programs that are put on your computer.

Internet Explorer Security is an utility that customizes many aspects of the Internet Explorer Web browser. It's a snap to use and provides the tools you need to retain and manage your Web browser settings. It lets you disable individual menu items and prevent others from editing your Favorites. It also allows you to disable individual tabs in the Internet Options dialog, as well as specific settings from each tab. Still other settings let you change the title caption, toolbar background, and animated icon; change default folders; and replace standard error information pages. It allows you to manage security zones very easy. The powerful "Web Spy" feature enables you control WHAT web sites and WHEN users may view. The "Password control" and "Time control" options enable you to manage disallowed sites. If a user leaves a page up on IE Browser and then is away from the computer for some time you can make the browser to go back to the default page after a certain time of the user inactivity. Multiuser support and password protection are also offered. This is great for managing network machines and the import/export functions let you store program settings in an external file.

Girls Aloud are a pop group from the United Kingdom. Created from TV talent show Popstars: The Rivals in 2002, Girls Aloud have achieved notable success, with fourteen top 10 hit singles in the British charts and 4 hit albums. Internationally their music has also been released throughout UK, Europe, Australia and Asia. All fourteen of their singles have reached the Top 10 on the UK Singles Chart consecutively; no other girl group has achieved as many Top 10 singles, even inconsecutively. Eleven of Girls Aloud's fourteen singles peaked within the Top 5, edging ahead of the Spice Girls for most Top 5 hits by a girl group in the UK.