One of the best online exchange rate calculators is called XE, it has live conversion information as well as historical records. XE also has a number of useful tools and alerts available for free.
A good place to find a payroll calculator is on Intuit's payroll section of their website. Intuit has both a personal and business calculator in which both have a salary, hourly and net-to-gross paycheck calculator.
You can find a good amortization loan calculator online. A good place to try is on any bank's official web page. Here, you can find their own amortization loan calculator.
A place where you can find a good tax calculator would be Staples. Another place would have to be Office Depot. I think so because they have almost every office supply and they also have very good brands.
The bank is always a good place to start in getting the exchange rates. I have also seen exchange rates in International airports. Going to a website of the country that you are wanting to find the exchange rates is another good place to go.
The best place to find a decent interest rate calculator online is on the Calculator.net website. There is also a good interest rate calculator at Money Chimp.
One can see a money exchange calculator on the XE website. The XE website is updated constantly and has the most accurate and up to date exchange rates.
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Google has a currency exchange rate calculator as well as xe, x-rates, and Go Currency. Alternatively there are currency exchange rate calculators located at malls where you can exchange one currency for another.
An immediate annuity calculator will help determine your income when your annuity comes due. Find a reputable place to help plan your future. www.fidelity.com is a good place to reserach.
Debt payment calculators can be found on many financial institution websites. Another good place to find a calculator is on sites such as CNN or bank rate.
Quickbooks is a good place to find a refinance calculator if you already have this purchased. If not here are a few links of websites where some could be found. www.mortgage-calc.com/ www.calculators4mortgages.com/
An online website called Bankrate provides a mortgage calculator for interest only. 'Good Mortgage' and 'Mortgage Calculator' also are good places to find a mortgage calculator for interest only.