iPad + Microsoft Office = ?

Office for iPad is here, including Word and Excel and PowerPoint, the applications so many of us have grown up with at work. Is this the set of applications that will change how you use your iPad? Cost. You can download the applications separately, and they’re free. Sort of. They’ll let you open and read documents and spreadsheets and presentations. But you can’t edit or create documents unless you fork over $99 a year for a subscription to Microsoft’s Office 365 — or pay as …