Links

Videos

Simple Interest Formula  (time: 6:31)
http://www.youtube.com/watch?v=zWwSwLUV6L4

Simple and Compound Interest  (time: 9:55)
http://www.youtube.com/watch?v=GtaoP0skPWc

History

This is one of the best all around sites that I have found. It is titled "The MacTutor History of Mathematics Archive."
http://www-history.mcs.st-and.ac.uk/~history/

This is an award-winning site that links to all sorts of mathematics information.
http://archives.math.utk.edu/

Reference Topics

There are many sources of sites related to the material of this chapter. Here are a few of the better ones.

Compound interest calculator:
http://www.moneychimp.com/calculator/compound_interest_calculator.htm

This calculator uses continuous compounding:
http://www.moneychimp.com/articles/finworks/continuous_compounding.htm

 

Calculator and graphs for various financial situations:
http://www.moneychimp.com/index.html

"How to manage your credit cards.":
http://www.learner.org/exhibits/dailymath/creditcards.html

U.S. National Debt Clock:
http://www.brillig.com/debt_clock/

Inflation Calculator:
The simple "one formula fits all" used in this text is good for our purposes, but inflation is more complicated than one simple formula. This site is interesting if you want more information about how inflation is actually calculated.
http://www.moneychimp.com/articles/econ/inflation_calculator.htm