🧮 Python CLI Calculator

Simple command-line calculator written in Python.

🚀 Features

• Basic operations: +, -, *, /, %
• Works with float numbers
• Command system:
  • history → show calculation history
  • exit → close program
  • help → show available commands
• Input validation (handles wrong input)
• Error handling (e.g. division by zero)
• Clean modular structure

---

▶️ How to run

python main.py
💡 Example usage
=== CALCULATOR ===
Operations: + - * / %
Commands: history, exit, help

Enter first number: 10
Enter operator (+ - * / %): *
Enter second number: 5

Result: 50

📁 Project structure
.
├── main.py
└── README.md
🛠 Future improvements
Add power operator (^)
Add full expression parsing (2 + 2 * 5)
Save history to file
GUI version
👤 Author

Nazar Tarasiuk