Lots of other data available also such as population change, births, deaths, and computer use. United States Statistics Links to statistics about the U.S., including individual states, wars, the Constitution, Presidents, and U.S. history. Weather Statistics Links for all types of weather averages for various locations, from USA Today. Weather Underground Quick weather information, for zip code, state or country. Good color weather maps.
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Topics range from calculating tips and figuring sale prices to factoring quadratic equations and graphing. Ask Dr. Math Ask Dr. Math is a question and answer service for K-12 math students and their teachers. Mathematics A large collection of active links for almost any math related topic. Or use the search to find information. The Math Forum Home Page A collection of math resources that includes sites dealing with key math issues.