🧮 CLI Calculator (Java)

A Command-Line Interface (CLI) calculator built in Java that supports both arithmetic and scientific operations. Designed for clean input handling, clear output formatting, and beginner-to-intermediate level Java practice.

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✨ Features

🔢 Arithmetic Operations

• Addition (+)
• Subtraction (-)
• Multiplication (*)
• Division (/)
• Modulus (%)

🔬 Scientific Operations

• Square Root (√)
• Power (a^b)
• Sine (sin(θ))
• Cosine (cos(θ))
• Tangent (tan(θ))

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🚀 How to Run

1. Clone the Repository

2. Open the project in any ide which supports java

3. Run MainClass.java

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🏗️ Project Structure

• MainClass.java – main program and menu
• ArithmeticOperations.java – handles +, -, *, /, %, avg
• ScientificOperations.java – handles sqrt, power, sin, cos, tan

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📷 Sample Output (optional but impressive)

Would you like to perform operation (yes/no): yes

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💻 Technologies Used

• Java
• Java Scanner and Math class

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📜 License

This project is open-source and free to use under the MIT License.

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📌 Future Plans / To-Do (optional)

• Add factorial and logarithmic functions
• Add memory/history storage