🧮 Calculator Project (C++)

A simple calculator built in C++ that performs basic arithmetic operations using functions.

Features

• Addition
• Subtraction
• Multiplication
• Division
• Division by zero validation
• Menu-driven interface
• Uses functions for each operation

Concepts Practiced

• Functions
• Function Prototypes
• Return Values
• Switch Statements
• Conditional Statements
• User Input and Output

Example

1. Addition
2. Subtraction
3. Multiplication
4. Division

Choose an operation: 1

Enter first number: 10
Enter second number: 5

Result: 15

How to Run

Compile:

g++ main.cpp -o calculator

Run:

./calculator

What I Learned

• How to create and use functions
• How to return values from functions
• How to organize code into smaller reusable components
• How to use switch statements for menu-based programs

Author

Faisal Althaqeb