Mathway.com solves all kinds of math homework problems with step by step explanations.
15
E-mail has been around longer than the World Wide Web.
176
On eBay, there are an average of $680 worth of transactions each second.
173
The first computer mouse was invented by Doug Engelbart in around 1964 and was made of wood.
217
On an average work day, a typist's fingers travel 12.6 miles.
353