Скачать или смотреть From Scratch: Python Calculator App Using Tkinter | Full Guide I Explained Line by Line.

Learn how to create a simple calculator in Python using Tkinter! 🖥️
In this beginner-friendly tutorial, I’ll guide you step by step and explain the code line by line so even if you’re completely new to Python, you’ll understand how everything works.

By the end of this video, you’ll have your own working calculator app built from scratch — and the skills to expand it further! 🚀
🔹 What You’ll Learn:

How to create a GUI window in Python with Tkinter

Adding an Entry widget to act as a calculator display

Creating buttons for numbers and operators

Handling events (button clicks) with functions

Using eval() safely for calculations

Error handling with pop-up messages

Organizing layouts with frames and loops
Features of This Calculator:

✔️ Basic arithmetic operations (+, -, *, /)
✔️ Support for decimals and parentheses
✔️ Clear button to reset
✔️ Error popup messages
✔️ Exit button to quit the app
✔️ Clean and simple Tkinter GUI

💡 Next Steps / Expansions:

You can upgrade this calculator by adding:

Scientific functions (sin, cos, sqrt, log, etc.)

Backspace button

Dark mode / custom themes

Keyboard input support

Graphing features

Source Code:

https://github.com/sanju200078/Python...

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