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Financial Calculations

This is a JavaScript library for common financial calculations such as compound interest and loan amortization.

Installation

You can install this package via npm:

npm install financial-calculations

Usage

const { compoundInterest, loanAmortization } = require('financial-calculations');

// Example usage for compound interest calculation
const principal = 1000;
const rate = 0.05; // 5%
const time = 5; // years

const futureValue = compoundInterest(principal, rate, time);
console.log('Future value:', futureValue);

// Example usage for loan amortization calculation
const loanPrincipal = 5000;
const annualRate = 0.06; // 6%
const loanTime = 3; // years

const monthlyPayment = loanAmortization(loanPrincipal, annualRate, loanTime);
console.log('Monthly payment:', monthlyPayment);

Functions

compoundInterest(principal, rate, time)

Calculates the future value of an investment with compound interest.

• principal: Initial investment amount.
• rate: Annual interest rate (as a decimal).
• time: Time period in years.

loanAmortization(principal, rate, time)

Calculates the monthly payment for a loan based on its principal, annual interest rate, and time period.

• principal: Loan amount.
• rate: Annual interest rate (as a decimal).
• time: Time period in years.

License

This project is licensed under the MIT License - see the LICENSE file for details.