You can quickly and easily add your Google Calendar information to your iPad and use Google instead of (or as well as) iCloud calendars. Here's how to add your Gmail account to your iPad via the Settings app.
"At IRA I stopped at the Subtext booth and was completely surprised to find out that it was a FREE app for iPads. I just started exploring it today to see how it might be used in a classroom, and I thought I’d pass along what I’ve found."
One of the best things about using an iPad is the great apps that we can run on it. There are excellent apps for just about any purpose you can think of. Better still, there are lots of great free apps for the iPad.
"Flashcards are no longer stuck to paper. Now with the iPad you can have giant flashcards. There are some fantastic apps that can help you study up for that next big test. Some of these pair with Mac/Windows apps and some are free standing iPad apps. We compare the best ones in this AppGuide."