This is a command-line based calculator application written in Python.
It performs basic arithmetic operations and stores the history of calculations in a text file.
- Supports basic operations:
- Addition (+)
- Subtraction (-)
- Multiplication (*)
- Division (/)
- Accepts inputs in both formats:
2 + 22+2
- Saves calculation history to a file
- Allows users to:
- View history
- Clear history
- Exit the program
- Handles invalid inputs and division by zero gracefully
- Python 3
- File Handling
- Regular Expressions
- Command Line Interface (CLI)