William D McQuain CS 2704 RPN Calculator --------------------------------- Command: enter 12 --------------------------------- Command: enter 4 --------------------------------- Command: display stack 0: 4 1: 12 --------------------------------- Command: enter / --------------------------------- Command: enter 9 --------------------------------- Command: enter 3 --------------------------------- Command: enter / --------------------------------- Command: enter * --------------------------------- Command: enter 1 --------------------------------- Command: enter + --------------------------------- Command: display value 10 --------------------------------- Command: clear --------------------------------- Command: enter 4 --------------------------------- Command: enter -7 --------------------------------- Command: display stack 0: -7 1: 4 --------------------------------- Command: enter + --------------------------------- Command: enter 2 --------------------------------- Command: enter * --------------------------------- Command: enter * Error: not enough operands --------------------------------- Command: clear --------------------------------- Command: enter 12 --------------------------------- Command: enter 4 --------------------------------- Command: display stack 0: 4 1: 12 --------------------------------- Command: enter / --------------------------------- Command: enter 9 --------------------------------- Command: enter 3 --------------------------------- Command: enter / --------------------------------- Command: enter * --------------------------------- Command: enter 1 --------------------------------- Command: enter + --------------------------------- Command: display value 10 --------------------------------- Command: clear --------------------------------- Command: enter 8 --------------------------------- Command: enter 12 --------------------------------- Command: display stack 0: 12 1: 8 --------------------------------- Command: enter * --------------------------------- Command: enter 4 --------------------------------- Command: enter / --------------------------------- Command: enter 2 --------------------------------- Command: enter 2 --------------------------------- Command: enter * --------------------------------- Command: enter 4 --------------------------------- Command: enter - --------------------------------- Command: enter / Error: attempt to divide by zero --------------------------------- Command: clear --------------------------------- Command: exit ---------------------------------