Microsoft Office 365 and Office 2013 have some great new features, including a user interface that makes the venerable productivity suite very usable on tablets. Microsoft, which announced Office 2013 ...

Still far and away the most powerful, and now the easiest-to-use, worksheet app. Except for a few scientific and financial-analysis tasks, it's the first and only choice for manipulating numeric data.

I once made money moonlighting as a VisiCalc and Lotus 1-2-3 instructor before Steve Ballmer ever typed “=sum(Profits)” in an Excel 1.0 spreadsheet cell. And a friend and former colleague from my ...