How many of us use Microsoft Office or another commercial office application, yet only write simple documents or produce basic calculations, through the spreadsheet? Do you use a commercial office application purely on the basis that you worry about compatibility issues? Generally there are fewer issues that you'd expect, primarily on the basis that most of us only use the basic features within our office apps.
OpenOffice 2.1 is a free alternative that ships with a document editor (Writer), spreadsheet (Calc), presentation application (Impress), amongst other modules. It's also updated regularly and will enable you to open and save Microsoft Office compatible documents. You can open a Word document within OpenOffice Writer. Download and see for yourself.
Ceres, located in the asteroid belt, has a carbonaceous-rich upper crust, SwRI study claims
The spacecraft found traces of hydrogen and oxygen molecules, known as hydroxyls, embedded in the rocky surface of the asteroid
The skeleton was unearthed more than 20 years ago in South Africa
Moon's dark side is mountainous, rugged and never visible from the Earth