SolveIT!, The Financial Calculator 

A fast, easy-to-use collection of 33 financial calculators. Includes amortization, loan calculator, balloon, compound/simple interest, bond value & yields, present & future value, annuity, IRR, NPV, budget, net worth. Many more.
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tApCalc Financial tape calculator(Arm & xScale) 

Financial calculator with a tape that can be saved,edited,rerun,beamed and printed without reentering all data again. Provides TVM, DCF, Depreciation, Bond, Mortgage, Loan and other financial functions along with standard memory and scientific keys.
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Moffsoft Calculator 

Calculator with tape, financial functions, unit conversions, date/time calculations, and product pricing. Other features include a sizeable display, fixed decimals, totals, item count, multiple memory values, tray icon, always on top, and much more.
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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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Simple Oil Field NPV Simulation Tool 

Oil companies and other stakeholders may need to assess the value of new fields or prospects even when very little hard data exists. Based on a simple model of a field development solution, this tool calculates a cash flow profile with risked NPV.
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