diff --git a/Calculator/readme.md b/Calculator/readme.md
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--- a/Calculator/readme.md
+++ b/Calculator/readme.md
@@ -1,7 +1,21 @@
-#Create Simple Calculator using HTML, CSS and JavaScript
+# Calculator App
 
-**Functionality**
-1. Buttons to type number
-2. Buttons to add, subtract, multiply and divide
-3. Button to clear everything
+This is a simple calculator application built using JavaScript.
 
+## 🚀 Features
+- Perform basic arithmetic operations
+- Clean and simple UI
+- Easy to use
+
+## 🛠️ Technologies Used
+- HTML
+- CSS
+- JavaScript
+
+## ▶️ How to Use
+1. Enter numbers
+2. Select operation (+, -, *, /)
+3. View result instantly
+
+## 📌 Purpose
+This project is designed for beginners to understand basic JavaScript functionality.