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  1. 1

    Creating a calculator in Python can be done in multiple ways, from a simple command-line interface to a fully interactive GUI. Below are two popular and up-to-date approaches.

    Command-Line Calculator

    Steps:

    1. Define functions for each operation (addition, subtraction, multiplication, division).

    2. Display a menu for the user to choose an operation.

    3. Take inputs for numbers and the operation choice.

    4. Perform the calculation and display the result.

    5. Handle invalid inputs gracefully.

    def add(n1, n2): return n1 + n2
    def sub(n1, n2): return n1 - n2
    def mul(n1, n2): return n1 * n2
    def div(n1, n2): return n1 / n2 if n2 != 0 else "Error: Division by zero"

    print("Select operation:\n1. Add\n2. Subtract\n3. Multiply\n4. Divide")
    choice = input("Enter choice (1-4): ")

    try:
    num1 = float(input("Enter first number: "))
    num2 = float(input("Enter second number: "))
    if choice == '1':
    print(f"{num1} + {num2} = {add(num1, num2)}")
    elif choice == '2':
    print(f"{num1} - {num2} = {sub(num1, num2)}")
    elif choice == '3':
    print(f"{num1} * {num2} = {mul(num1, num2)}")
    elif choice == '4':
    print(f"{num1} / {num2} = {div(num1, num2)}")
    else:
    print("Invalid input")
    except ValueError:
    print("Error: Please enter valid numbers.")
    Cóipeáilte!
    Aiseolas
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  2. GeeksForGeeks
    https://www.geeksforgeeks.org › python › make-simple-calculator …Aistrigh an toradh seo

    Make a Simple Calculator - Python - GeeksforGeeks

    17 Feabh 2026 · A simple calculator performs basic arithmetic operations like addition, subtraction, multiplication and division. Below are two different implementations of a calculator using Python:

    • A simple calculator performs basic arithmetic operations like addition, …

    Féach torthaí ó geeksforgeeks.org amháin
  3. Programiz
    https://www.programiz.com › python-programming › examples › c…Aistrigh an toradh seo

    Python Program to Make a Simple Calculator

    In this example you will learn to create a simple calculator that can add, subtract, multiply or divide depending upon the input from the user.

  4. W3Schools
    https://www.w3schools.in › python › examples › simple-calculatorAistrigh an toradh seo

    Simple Calculator Program in Python - W3Schools

    This tutorial describes how to create a simple calculator program using Python, capable of performing arithmetic operations such as addition, subtraction, multiplication, and division.

  5. pythongeeks.net
    https://pythongeeks.net › python-tutorials › crea…Aistrigh an toradh seo

    How to Make a Calculator in Python Step by Step

    31 DFómh 2025 · Learn how to build a calculator in Python with code examples, GUI, and tutorials for creating a calculator app using Python.

  6. Python Examples
    https://pythonexamples.org › python-calculator-programAistrigh an toradh seo

    Python Calculator Program

    Learn how to write a basic calculator program in Python. This tutorial covers addition, subtraction, multiplication, and division with examples.

  7. Python Geeks
    https://pythongeeks.org › python-cAistrigh an toradh seo

    Create a Simple Calculator in Python

    23 Meith 2021 · Simple calculator using python. Create a python program to build a basic calculator with GUI using tkinter and basic operations

  8. phoenixNAP
    https://phoenixnap.com › kb › python-calculatorAistrigh an toradh seo

    How to Make a Calculator With Python (in 5 Steps)

    16 Noll 2025 · This step-by-step guide shows how to make a calculator with Python and runs through some basic programming concepts.

  9. w3resource
    https://www.w3resource.com › projects › python › python-simple-c…Aistrigh an toradh seo

    Python Simple Calculator Project with Solutions - w3resource

    16 MFómh 2025 · Learn how to create a simple calculator in Python. Explore two solutions using conditional statements and functions with step-by-step explanations.

  10. Python Guides
    https://pythonguides.com › make-a-calculator-i…Aistrigh an toradh seo

    Make a Calculator In Python using Tkinter

    9 Iúil 2025 · Learn how to make a calculator in Python using Tkinter. Follow simple steps to create a functional GUI calculator and enhance your Python …

  11. TutorialsPoint
    https://www.tutorialspoint.com › article › basic-calculator-progra…Aistrigh an toradh seo

    Basic calculator program using Python program - Online Tutorials Library

    In this tutorial, we are going to build a basic calculator in Python. A calculator provides multiple arithmetic operations to users, allowing them to select one option and perform the respective …

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