At Yahoo Finance, you get free stock quotes, up to date news, portfolio management resources, international market data, message boards, and mortgage rates.
This site uses the consumer price index to calculate the difference in the buying power of any amount of US dollars for any two years between 1913 and today. IE 4 cents in 1913 could buy $1 worth of goods today and vice versa.
Currency rates and converter. Also has a travel expenses reimbursement calculator, which has the capibility of finding the rate on the date of purchase and also calculates any hidden fees, ie credit card use in foreign country.
From the Federal Reserve Bank of St. Louis.
Personal Finance 101 Conversations is a series of short videos related to timely financial topics for students and consumers in their teens and 20s.