Twenty hard sudoku puzzles in a PDF file to print and solve. Sudoku is the number game where you shall fill in the empty fields with the numbers from 1 through 9. Then every row must contain the numbers from 1 through 9. And every column must contain the numbers from 1 through 9. And every 3x3 square must contain the numbers from 1 through 9.

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A number game of brains versus brawn! Become a whiz by trying to get the highest score. Crunch away all the numbers in the stage to reach the next level. Not good with numbers? After playing this game you won't be able to stop playing. Great for kids and fun for adults. A great new game similar to the classic game Number Munchers.

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15Slide is a computer slide-puzzle game. It's an advanced version of the well-known 15 puzzle. To solve the puzzle you have to original order of randomly shuffled numbered pieces in the least moves possiblen by sliding pieces into the empty spot. 15Slide differs from the original puzzle of 15: except standard board size, it offers number game boards from 4x4 up to 10x10 size and 3 levels of difficulty.

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NetMail is a mail system for local networks and mobile access, either with the built-in webmail interface, or using the NetMail client software. Users can read/write e-mails from any LAN workstation. Also optimized for GSM, GPRS, UMTS, TCP/IP connections. Includes heuristic virus detection and rule-based spam filter. (Note: NetMail has its own client software, Outlook etc. cannot be used.)

If you want to prevent unauthorized copying of parts of your Internet sites you should have a look at HTML Guard. Among other features this software lets you encode your HTML source code and disable the right mouse button, text selection and the print function within a browser. In particular, the combination of several tricks causes a protection that, while not absolutely secure, adds a level of difficulty to circumvention.

The DNS2Go client software is installed on the computer with which you want to associate your domain name. The software always knows your computer's current IP address, and it quietly and automatically notifies the DNS2Go service whenever that IP address changes. The DNS2Go service then modifies the DNS zone records associated with your domain, and the change takes effect almost immediately.

Speed Test beats all bandwidth monitoring software hands down, because Speed Test will test your maximum bandwidth speed by downloading files and maxing out your bandwidth. Speed Test also allows you to test a website uptime, response time, connection time and bandwidth. Speed Test also allows you to test your system performance and LAN performance. Download it now to get the freeware features.

FileMaker Database Calendar V.4 Very easy to use and works on PCs or Macs. Will work over a network or the Internet by accessing a computers TCP IP if each user has a copy of FileMaker. Easy to customize and tie into your current FileMaker Pro solution. Purchasing the master password gives you complete access to the entire database including layouts and defining fields. You must have FileMaker Pro version 5 or higher.

PingGraph helps find and diagnose network problems by graphing ping times and and estimated bandwidth available on multiple connections. Email alerts inform you of networking trouble. Data is saved in an easy-to-use XML format. Graphs are configurable to show a wide range of time scales from 10 minutes to a year, allowing you to quickly identify short and long term trends, connectivity problems and packet loss.

Create amazing fractal artwork in just a few seconds. Explore the wonderful world of Fractals. Fractals are complex, detailed geometric patterns found throughout the natural world. Ultimate Fractal generates fractal designs of amazing detail. They are infinite in their ability to be viewed in ever increasing detail. The closer you look the more detail there is. They can be incredibly mundane or extraordinarily beautiful!