This calculator desktop app is so simple, so it just does the basic arithmetic operations. I used some library to help me like parser, factorial, tkinter. I think it will be a good reference for students or someone who want to practice on some projects for python.
https://data-flair.training/blogs/python-calculator-project/ https://www.geeksforgeeks.org/dynamically-resize-buttons-when-resizing-a-window-using-tkinter/