There are any number of spreadsheet apps available for the iPad, but recently the market changed dramatically when Microsoft released the full Office suite for iPad, including a version of Excel. While you can argue that Excel is many years late to the iPad party (and I wouldn't disagree), the iPad version of Excel is a solid entrant, and instantly changes the landscape for competitive apps.
Stories by Rob Griffiths
Despite the Mac's recent gains in market share, Windows is still the dominant operating system, especially in businesses. That means there may be times when you need to run the Microsoft OS: perhaps there’s an application your company uses that’s only available for Windows, or you’re a Web developer and you need to test your sites in a true native Windows web browser. Or maybe you want to play computer games that aren’t available for OS X. Whatever your reason for running Windows, there are a number of ways your Mac can do it for you.