# Interest Calculator

## Overview
Calculate simple and compound interest on your savings and investments. Compare how different compounding frequencies affect your returns.

## Features
- **Simple Interest**: Fixed interest earned each year. Formula: A = P(1 + rt)
- **Compound Interest**: Interest earned on interest. Formula: A = P(1 + r/n)^(nt)
- **Compounding Frequencies**: Annually, Semi-Annually, Quarterly, Monthly, Daily
- **Yearly Breakdown**: See balance and interest earned for each year
- **Comparison**: Side-by-side comparison of simple vs compound interest

## How to Use
1. Enter your principal amount (starting investment)
2. Enter the annual interest rate as a percentage
3. Enter the time period in years
4. For compound interest, select how often interest is compounded
5. View results instantly with yearly breakdown

## When to Use
- **Simple Interest**: Savings accounts, bonds, loans with fixed interest
- **Compound Interest**: Investment accounts, retirement funds, long-term savings
- **Comparison**: Understand the power of compounding over time

## Formulas
- Simple Interest: Interest = Principal × Rate × Time
- Compound Interest: Final Amount = Principal × (1 + Rate/Compounds)^(Compounds × Time)

## Tips
- Higher compounding frequency = more interest earned
- Longer time periods show the power of compound interest
- Even small differences in rates compound significantly over decades