Simple Calculator

A Python-based command-line calculator that performs basic arithmetic operations with error handling and user-friendly controls.

Features

• Supports the following operations:
  • Addition (+): Add two numbers.
  • Subtraction (-): Subtract one number from another.
  • Multiplication (*): Multiply two numbers.
  • Division (/): Divide one number by another with a check to avoid division by zero.
  • Power (^): Raise one number to the power of another.
  • Remainder (%): Calculate the remainder of division.
• Includes special commands:
  • Reset ($): Reset the program to start over.
  • Terminate (#): Exit the program gracefully.
• Handles invalid inputs with appropriate error messages.
• Prevents division by zero with a detailed warning.

How to Use

1. Run the script:

   • Open a terminal and execute:

     python calculator.py

2. Follow the on-screen instructions:

   • Enter an operation symbol (e.g., +, -, *, /, ^, %).
   • Provide the two numbers when prompted.
   • Use $ to reset the program or # to terminate.

3. Example Output: Select operation. Select operation. Select operation. 1.Add : + 2.Subtract : - 3.Multiply : * 4.Divide : / 5.Power : ^ 6.Remainder: % 7.Terminate: # 8.Reset : $ Enter choice(+,-,*,/,^,%,#,$): + Enter first number: 2 Enter second number: 4 2.0 + 4.0 = 6.0