a powerful toolkit for your system optimization and repair. various programs of the cleaner kit are able to monitor your systen registry and clean it of obsolete and invalid entries, free your disk space by removing unnecessary duplicate files, protect your privacy by removing trails that are left in your browser cache and history after you accessed various web-sites in the internet.

is a set of network tools useful in diagnosing networks and monitoring your computer's network connections. package include: cyd net utils and cyd careful observer. cyd net utils offers many tcp/ip utilities in one program. cyd net utils include: net designer, ports scanner, share scaner, arp table manage...

math games and puzzles. math games. speed math deluxe - use addition, subtraction, multiplication and division to solve an equation as quickly as possible! free educational elementary and preschool math games and online lessons. free online math activities for kids. math lessons on counting backwards, counting offers free math lessons and homework help, with an emphasis on geometry, algebra, statistics, and calculus. also provides calculators and