Calculator App

A simple calculator application built with Python that performs basic arithmetic operations such as addition, subtraction, multiplication, and division.

Features • Addition (+) • Subtraction (-) • Multiplication (*) • Division (/) • Handles invalid inputs gracefully Prerequisites

Ensure you have Python installed on your system. You can check by running: python --version If Python is not installed, download and install it from python.org. Installation

1. Clone the repository:

git clone https://github.com/your-username/calculator-app.git

cd calculator-app

• Run the calculator: python calculator.py Usage

• The program prompts the user to enter two numbers and an operator.

• It then performs the selected operation and displays the result.

Example usage:

Enter first number: 10

Enter operator (+, -, *, /): *

Enter second number: 5

Result: 50

Code Example

def calculator():

try:
    num1 = float(input("Enter first number: "))
    operator = input("Enter operator (+, -, *, /): ")
    num2 = float(input("Enter second number: "))

    if operator == "+":
        print(f"Result: {num1 + num2}")
    elif operator == "-":
        print(f"Result: {num1 - num2}")
    elif operator == "*":
        print(f"Result: {num1 * num2}")
    elif operator == "/":
        if num2 == 0:
            print("Error: Division by zero is not allowed.")
        else:
            print(f"Result: {num1 / num2}")
    else:
        print("Invalid operator.")
except ValueError:
    print("Error: Please enter valid numbers.")

if name == "main": calculator()

Contributing

Feel free to contribute by submitting issues or pull requests.

License

This project is open-source and available under the MIT License.