🧮 Dart CLI Calculator

A simple modular command-line calculator built with Dart.
It supports addition, subtraction, multiplication, and division with basic error handling (e.g., division by zero).

🚀 Features

• Separate functions for each operation (add, subtract, multiply, divide)
• Handles invalid operations gracefully
• Prevents division by zero
• Clean, beginner-friendly Dart code

📦 Usage

Run the program in your terminal:

dart run main.dart