🧮 Advanced Scientific Calculator

A beautiful and fully functional scientific calculator built with HTML, CSS, and JavaScript.
It includes a scientific expression evaluator, a calculation history panel, and a stopwatch timer — all inside a responsive and visually modern UI.

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✨ Features

• ✅ Scientific functions: sin, cos, tan, log, ln, √, ^, !, π, e, mod, abs, exp, and more
• ✅ Calculation history (up to 20 operations)
• ✅ Stopwatch timer with start/stop and reset
• ✅ Red/black modern theme with yellow hover effects
• ✅ Responsive layout for mobile and desktop
• ✅ Built without any external libraries — pure HTML/CSS/JavaScript

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📸 Screenshots

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Live Demo

Click here ☺️

📁 Project Structure

advanced-calculator/
├── index.html           # Main HTML structure
├── style.css            # Calculator & layout styling
├── app.js               # Calculator logic & interactions
├── screenshot.png       # UI screenshot for README preview
├── README.md            # Project documentation
└── assets/              # (Optional) icons, images, fonts etc.

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📄 License

This project is licensed under the MIT License.

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made by Yalda Khoshpey