abs: The absolute value of a number (e.g. abs(-5) = 5). mod: From modulo. it's the operation to find the remainder of the division of one number by another. In python we use the symbol % (e.g. 5mod2 = ...

This program is a simple calculator created using Python's Tkinter library. It allows users to perform basic arithmetic operations like addition, subtraction, multiplication, and division. The ...