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This is a playground to test code. It runs a full Node.js environment and already has all of npm’s 1,000,000+ packages pre-installed, including finterest with all npm packages installed. Try it out:

var finterest = require("finterest")

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finterest v1.0.5

F-Interest is an app that tells you what you will save between 30 and 15 year loans. Or you can enter a custom monthly rate and number of months.

RunKit is a free, in-browser JavaScript dev environment for prototyping Node.js code, with every npm package installed. Sign up to share your code.
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