This project is a simple calculator application built using Python and the Tkinter library. The calculator supports basic arithmetic operations such as addition, subtraction, multiplication, and division. It also saves the results of calculations to a CSV file named history.csv.

• Basic arithmetic operations: addition, subtraction, multiplication, and division.
• Clear button to reset the input.
• Results of calculations are saved to a CSV file.

• Python 3.x
• Tkinter (included with Python standard library)