diff --git a/Calculator/readme.md b/Calculator/readme.md
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+++ b/Calculator/readme.md
@@ -1,7 +1,39 @@
-#Create Simple Calculator using HTML, CSS and JavaScript
+# 🧮 Simple Calculator
 
-**Functionality**
-1. Buttons to type number
-2. Buttons to add, subtract, multiply and divide
-3. Button to clear everything
+A simple **Calculator Web Application** built using **HTML, CSS, and JavaScript**.  
+This project performs basic arithmetic operations with a clean and user-friendly interface.
+
+---
+
+## ✨ Features
+
+- 🔢 Buttons to input numbers
+- ➕ Addition
+- ➖ Subtraction
+- ✖ Multiplication
+- ➗ Division
+- 🧹 Clear button to reset the calculator
+- 📱 Simple and responsive design
+
+---
+
+## 🛠️ Technologies Used
+
+- **HTML** – Structure of the calculator (`cal.html`)
+- **CSS** – Styling and layout (`cal.css`)
+- **JavaScript** – Calculator logic and functionality (`cal.js`)
+
+---
+
+## 📂 Project Structure
+
+📁 calculator
+
+├── cal.html # Main HTML file
+
+├── cal.css # Styling file
+
+├── cal.js # JavaScript logic
+
+|── c10.jpeg # Calculator preview image