MoneyToys - Loan Comparison applet 

The MoneyToys - Loan Comparison applet is designed to provide webmasters with a simple way to add instant interactivity to a web site by providing users with a financial calculator which simultaneously compares up to 4 different loan scenarios.
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MoneyToys - Future Value of Savings applet 

The MoneyToys - Future Value of Savings Calculator offers a clear perspective on saving money by automatically displaying future values on a 2-dimension grid as you enter or update your investment variables.
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MoneyToys - Simple Loan Calculator applet 

The MoneyToys - Simple Loan Calculator applet is designed to allow webmasters to instantly add interactivity to a web site by providing users with an easy-to-use loan calculator.
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MoneyToys - Discounted Cash Flows applet 

The MoneyToys - Discounted Cash Flows Calculator applet is designed to provide webmasters with a simple way to add instant interactivity to a web site by providing users with a financial calculator applet which is easily added to a web site.
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MtrxCal 

Don't spent hours writing a program for some programmable calculator while MtrxCal can perform the same calculations with just a few simple lines. Don't waste time trying to find the right maximum and minimum values for plotting your functions.
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1st Calculator 

Handy and useful expression calculator and converter with skins and lots of features
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