# Loan EMI Calculator API

A simple **Loan EMI Calculator API** built using **Node.js** and **Express**.

## Features
- Accepts **loan amount (principal)**, **annual interest rate**, and **loan tenure (months)**
- Calculates **Equated Monthly Installment (EMI)**
- Handles invalid input values

## Installation

```sh


```sh
const { calculate_emi } = require("loan-emi-calculator-api");
const {principal,annualRate,tenure}=req.body;
const result = await calculate_emi(principal,annualRate,tenure);


exp
{
    "principal": 10000,
    "annualRate": 5.5,
    "tenure": 12
}