Cost of Living Calculator
http://www.newsengin.com/neFreeTools.nsf/CPIcalc
Allows you to compare the real buying power of historical dollar amounts, adjusted for inflation.
Oanda - The Currency Site
http://www.oanda.com
Currency converters, exchange rates for foreign currencies, and daily exchange rates.
The Inflation Calculator
http://www.westegg.com/inflation/
Adjusts any given amount of money for inflation, according to the Consumer Price Index, from 1800 to 1998. Also includes a list of related sites.
How Much Is That Worth Today?
http://www.eh.net/ehresources/howmuch/dollarq.php
Compare the buying power of the dollar between 1720 and 2000 using calculations based on a commodity price index.
NASDAQ
http://www.nasdaq.com
Stock quotes for Nasdaq, American Stock Exchange, and New York Stock Exchange stocks, plus business and Nasdaq stock news.
NYSE - The New York Stock Exchange
http://www.nyse.com
Stock quotes, company information, and details about how the NYSE works.
WebEc - World Wide Web Resources in Economics
http://netec.wustl.edu/WebEc/
A project of the WWW Virtual Library, WebEc provides links to economics information the web, searchable by keyword or topic.
Yahoo Finance
http://finance.yahoo.com/?u
Find stock prices for the previous week by entering your stock symbol and choosing the "basic" option from the pull down menu. At the results page, choose "historical prices" on the chart.