<script src="capital.js"></script>

$ npm install capitaljs

var rate = capitaljs.compoundAnnualGrowthRate({...});

require(['capitaljs'], function(capitaljs) {...});

var capitaljs = require('capitaljs');
var rate = capitaljs.compoundAnnualGrowthRate({...});

var cagr = require('capitaljs/compoundAnnualGrowthRate');
var rate = cagr({...});

var amortization = require('capitaljs/amortization');

amortization({
  amount: 180000,
  rate: 4.25,
  totalTerm: 360,
  amortizeTerm: 60
});

var cash = require('capitaljs/cashFlow');

cash({
  income: 100000,
  expenses: 50000
});

var cagr = require('capitaljs/compoundAnnualGrowthRate');

cagr({
  startValue: 100000,
  endValue: 50000,
  years: 10
});

var iar = require('capitaljs/inflationAdjustedReturn');

iar({
  investmentReturn: .08,
  inflationRate: .03
});

var interest = require('capitaljs/interest');

interest({
  principal: 100000,
  rate: .06,
  years: 10,
  compounding: true
});

var roi = require('capitaljs/returnOnInvestment');

roi({
  earnings: 5000,
  initialInvestment: 100000
});

$ npm test