# Interest Calculator

A simple and compound interest calculator for JavaScript and Node.js.

## Installation
```bash
npm install @mcnoble/interest
```

## Usage
```javascript
// ES6
import simpleInterest from '@mcnoble/interest';
import compoundInterest from '@mcnoble/interest';

// Simple Interest
simpleInterest(principal, rate, time);

// Compound Interest
compoundInterest(principal, rate, time, frequency);
```

## Example
```javascript
const interest = require('@mcnoble/interest');

// Simple Interest
console.log(simpleInterest(1000, 5, 2)); // 100

// Compound Interest
console.log(compoundInterest(1000, 5, 2, "annually")); // 102.5
```