Simple Calculator using Tkinter

Overview

This project is a GUI-based calculator application developed using Python’s Tkinter library. It allows users to perform basic arithmetic operations through interactive buttons in a simple and attractive interface.

Features

• Addition, subtraction, multiplication, and division
• Decimal number support
• Clear (C) button to reset input
• Backspace button to delete the last character
• Error handling for invalid expressions
• Dark-themed user interface

Technologies Used

• Python
• Tkinter (GUI library)

How the Application Works

• Button clicks insert numbers or operators into the display.
• The = button evaluates the expression using Python’s eval() function.
• The C button clears the entire input.
• The Backspace button removes the last entered character.
• Invalid expressions are handled gracefully without crashing the application.

How to Run the Program

1. Ensure Python is installed on your system.
2. Save the file as calculator.py.
3. Open a terminal or command prompt.
4. Run the following command:

   python calculator.py