Calculator Toolkit (C++)

A simple command-line calculator built in C++ to demonstrate modular programming using header files and source files.

Features

• Addition
• Subtraction
• Multiplication
• Division
• Modulus

Project Structure

calculator-toolkit-cpp/
├── include/
│   └── calculator.h
├── src/
│   ├── calculator.cpp
│   └── main.cpp
├── README.md
├── LICENSE
└── .gitignore

Concepts Practiced

• Header Files
• Source Files
• Function Declarations
• Function Definitions
• Modular Programming
• Multi-file Compilation
• #pragma once
• Function Calls
• Git & GitHub Workflow

Compilation

g++ src/main.cpp src/calculator.cpp -Iinclude -std=c++17 -Wall -Wextra -pedantic -o app

Run

./app

Future Improvements

• Continuous Menu
• Input Validation
• Scientific Calculator
• File Logging
• Better Error Handling

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Made with ❤️ while learning Modern C++..