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Simple Calculator 🖩

A lightweight and user-friendly calculator built in C for quick and easy arithmetic operations. Designed with simplicity in mind, it runs directly in the command-line interface (CLI), making it perfect for learning, everyday use, or as a foundation for more advanced projects.


✨ Features

  • Basic arithmetic operations: addition, subtraction, multiplication, division, power, and square root
  • Simple CLI interface
  • Lightweight and fast
  • Beginner-friendly source code
  • Cross-platform (works on Linux, macOS, and Windows with a C compiler)
  • Easy to use

🚀 Getting Started

1. Clone the repository

git clone https://github.com/IldhanSec/simple-calculator-c.git
cd simple-calculator

2. Compile the program

Using GCC (Linux/macOS/Windows with MinGW):

gcc calcu.c -o calcu -lm

-lm is required to link the math library.

3. Run the program

./calcu

📌Noted

If you don't have a compiler like GCC, it is recommended to install it, 
otherwise the program will not run because it requires a compiler, 
if you are using Windows it is recommended to install minGw because it is one of the C language compilers.

📖 Usage

  1. Launch the program from your terminal.
  2. Select an operation from the menu.
  3. Enter the numbers when prompted.
  4. Instantly get the result.

Example CLI interface:

🖩 Simple Calculator 🖩
==========================

Select operation:
1. Addition
2. Subtraction
3. Multiplication
4. Division
5. Power
6. Square Root
0. Exit

Enter your choice:

🤝 Contributing

Contributions are welcome! Feel free to open an issue or submit a pull request to improve features, add more operations, or enhance the CLI design.


📜 License

This project is licensed under the MIT License. See the LICENSE file for details.


Lightweight. Easy. Fast. Run calculations directly in your terminal.


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