Reverse-Polish-Notation-RPN-Calculator

This is a program written in Python that evaluate postfix expressions.

To run the source code, Python 3 is required.

HOW TO RUN??

Clone the repository or download the calculator.py file and run in command prompt using the following command:

"C:\Users\Me>python3 calculator.py"

and input an postfix expression to evaluate.

Supported Operations

The following 5 operations are supported:

• Addition (+)
• Subtraction (-)
• Multiplication (*)
• Integer division (/), the calculator uses floor division.
• Modulo (%)

Restrictions

• The calculator only accepts whole numbers as input.
• The calculator output whole numbers only.
• Each operation takes 2 values. E.g. "1 2 +" is a valid input and "1 2 3 +" is an invalid input.