The American Bankers Association has an excellent resource to help you figure out your financial calculations.

They have Financial Calculators for home financing, personal finance, investment, retirement and leases.

Within each of these categories they have sub-categories. For example under Home Financing they put things in question form to help you see if it's a question that you need to have answered.

There are questions such as:

Should I refinance my home Mortgage?

What would my payments be for a fixed rate loan?

What would my payments be for an adjustable rate loan?

There are these and many others. Make sure you take advantage of these simple to use tools that will give you quick answers to your financial questions.

Here is another site that helps you to figure out how much school will cost, how much you need to save and how much aid you'll need.

This is another great tool that gives a good, accurate, quick picture of what it will financially take to go through school.