There is a command line version, ipsc, and a GNOME version, gipsc.
You give the network class and subnet bits and you get back the maximum number of subnets, maximum number of hosts per subnet, a bitmap showing the breakdown of network bits, subnet bits, host bits, the decimal and hexadecimal class netmask, the decimal and hexadecimal subnet mask, and more.
Corkboard is a great way to collect and organize all those little bits you find online view it
Bits, bytes, kilo, mega, tera, etc. etc... what does it all mean? view it
Keeping all the little bits of wedding planning info straight with the notebook functions in The Knot view it
We show you how to add preassembled loops of music when editing projects on GarageBand for iPad. view it
Google Maps will now provide even better traffic information view it
Creating your own Tumblr account view it
Learn how to navigate around Wikipedia from the main page view it