Other
International Monetary Fund: Exchange Rate Regimes
This page provides access to the book "Exchange Rate Regimes in an Increasingly Integrated World Economy" by Michael Mussa, Paul Masson, Alexander Swoboda Esteban Jadresic, Paolo Mauro, and Andy Berg. Individual chapters can be downloaded.
Wisc-Online
Wisc Online: International Exchange Rates
This student-teacher resource discusses international exchange rate and shows how to calculate different currencies around the world.