🔢 Scientific Calculator

This project is a fully functional Scientific Calculator built using Java Swing. It combines both standard and advanced mathematical capabilities with a sleek, user-friendly interface. It is ideal for students, professionals, and anyone looking for a reliable offline calculator application.

🌟 Key Features

• Basic arithmetic operations: +, -, ×, ÷
• Scientific functions: sin, cos, tan, ln, exp, √
• Constants like π and support for exponentiation (^)
• Full support for parentheses and nested expressions
• History panel to view previous calculations
• Toggle between Light Mode and Dark Mode
• Responsive, compact layout using GridLayout
• Real-time input and display formatting
• Custom button rendering and clean modern UI

🖼️ User Interface

The UI is divided into 3 main sections:

• Display Panel: Shows the current input and result
• Button Grid: Calculator keys arranged in a 7x4 grid layout
• History Log: Scrollable area to track past expressions and outputs

🛠️ Technologies Used

• Java - Core programming language
• Swing - For GUI design
• AWT - For basic event handling and graphics

🚀 Getting Started

To run this project locally:

1. Ensure Java JDK 8 or later is installed
2. Clone or download this repository
3. Open the project in your IDE (Eclipse, IntelliJ, etc.)
4. Run the ScientificCalculator.java file

📋 Example Expressions Supported

• sin(30) + cos(45)
• (2 + 3) * 4
• exp(2) + ln(10)
• √(25) + 3^2

🎨 Dark Mode

From the menu bar, select View → Toggle Dark Mode to switch between themes. Button colors and display background adapt accordingly.