RPN-86
by Daniel Bishop

To use this program, simply run RPN.  Then, enter your expression, one number/operator at a time.

Note: Unlike the HP, this program requires you to press enter after all numbers and operands.

Example: Evaluate 2*(3+4)-5
> 2
> 3
> 4
> +
                    7
> *
                   14
> 5
> -
                    9