Python Calculator in GUI with Free Source Code


Creating a calculator is a common project that helps beginners grasp the basics of GUI programming in Python. This blog post will guide you through the steps to build a simple yet functional calculator using Python’s Tkinter library. We’ll cover the essential features, the required software and tools, and how to run the project. Additionally, you’ll find screenshots and a link to download the source code.

New Project :-https://www.youtube.com/@Decodeit2

Step 1: Making the Project

To start, let’s outline the primary steps involved in creating our Python calculator:

  1. Setting up the environment: We’ll install Python and the Tkinter library if they aren’t already available.
  2. Creating the GUI: Using Tkinter to design the calculator’s interface, including buttons and display screens.
  3. Implementing functionality: Writing functions to handle user inputs and perform calculations.
  4. Testing the application: Ensuring all features work correctly and handling any bugs.

PYTHION PROJECTS :-https://updategadh.com/category/python-projects

Step 2: Essential Features

Our Python calculator will include the following features:

  • Basic arithmetic operations: Addition, subtraction, multiplication, and division.
  • Clear function: To reset the calculator display.
  • Responsive buttons: Each button will perform its designated function when clicked.
  • Error handling: Managing division by zero and invalid inputs gracefully.

Step 3: Required Software and Tools

To build this calculator, you will need:

  • Python: Version 3.x is recommended. You can download it from the official Python website.
  • Tkinter: This is the standard Python interface to the Tk GUI toolkit. It is usually included with Python, but you can install it using pip if needed:
  pip install tk
YouTube player

Step 4: Running the Project

Once you’ve set up your environment and written the code, running the project is straightforward. Follow these steps:

  1. Open your Python IDE (e.g., PyCharm, VSCode, or even IDLE).
  2. Load the project file: Open the Python script containing your calculator code.
  3. Run the script: Execute the script. If everything is set up correctly, the calculator GUI should appear.

Step 5: Project Screenshots

Calculator Interface

Python Calculator in GUI with Free Source Code
Python Calculator in GUI with Free Source Code

Performing Calculations

These screenshots provide a visual reference for what your final project should look like.

Step 6: Download Project

To make it easy for others to use and modify your Property Management System, provide a download link for the complete project. Ensure the project is well-documented and includes instructions for setup and usage.

Download Project Free Click Here

Complete Python Course : Click here

Free Notes :- Click here

New Project :-https://www.youtube.com/@Decodeit2

How to setup this Project Complete video – Click here

WhatsApp Group Chat Now
Instagram Chat Now
Telegram Group Join Now
WhatsApp Group Join Now

Tags and SEO

Tags: Python, GUI, Tkinter, Calculator, Source Code, Python Project, Programming, Tutorial, Beginners


  • Title: Python Calculator in GUI with Source Code
  • Description: Learn how to create a Python calculator using Tkinter with this step-by-step guide. Includes source code and project screenshots.
  • Keywords: Python calculator, GUI calculator, Tkinter tutorial, Python projects, calculator source code, programming tutorial, beginners Python project.