With the interactive prompt running, you can use the standard operators. This returns the number 256. The arithmetic options in Python's interactive mode are so easy it's a common joke among ...

Python supports unary operators for no change and negation, + and -, respectively; and binary arithmetic operators +, -, *, /, //, %, and **, for addition ...

And, all of NumPy’s operations take place outside the Python runtime, so they aren’t constrained by Python’s limitations. NumPy provides a specialized array type that is optimized to work ...

In Python, this is very simple (see ... raise Exception("Unknown operator or number:" + token) If you need to represent math in a program, you might consider RPN. It is fast to write and easy ...