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Surface Area Calculator

Calculate the surface area of a rectangular prism (box).

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Finance

Net Present Value (NPV) Calculator

Calculate the net present value (NPV) of an investment or project. Enter your initial investment, discount rate, and future cash flows to see if your project is profitable.

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Finance

Credit Card Payoff Calculator

Estimate how long it will take to pay off your credit card debt, or what payment you need to be debt-free by a target date. See your interest, payoff time, and a full schedule.

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Health & Fitness

Bra Size Calculator

Estimate bra band and cup size from underbust and full-bust measurements (in inches or centimeters).

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