Complete Article : http://zdnet.com.com/2110-1104_2-5063260.htmlQuote:
Google on Tuesday added a feature to its popular search tool that allows visitors to calculate mathematical equations. It can compute basic arithmetic like 15*5+2, more complicated equations and measuring unit conversions like 200 miles in kilometers. Still, Google's calculator lags other rival services, including Overture-owned AlltheWeb.com, which has offered similar capabilities for months.
