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learning-zone
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Apr 24, 2026
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Summary
Beginner-friendly GUI calculator built using Python’s tkinter library.
Features
Simple and intuitive calculator interface
Supports basic arithmetic operations (+, -, *, /)
Real-time input display using an Entry widget
Clear button to reset the calculator
Error handling for invalid expressions
Well-commented code for easy understanding by beginners
Testing
Manually tested for all arithmetic operations
Verified error handling for invalid inputs