Practical Web Sites and Services - PC World

Practical Web Sites and Services - PC World:
Terrific Reference Tools

OWL, the Online Writing Lab, gives you a way to look up the whys and wherefores of grammar.
The Phrase Finder is a handy thesaurus for phrases.

Need a fact checker? Refdesk.com has all the facts--or links to them--you'll ever need.

Visiting LibrarySpot is like walking in to the local library and walking into the reference room.

Let's say you've got 15 barrels of oil and need to know how many gallons that is. Digital Dutch Unit Converter can tell you it's 630. The site covers just about everything anyone could need to convert... you've just got to see for yourself.

One thing that Digital Dutch doesn't handle, though, is money. You'll need to go to XE for your currency conversions."