William D McQuain
CS 2704 RPN Calculator

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Command: enter	17
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Command: enter	42
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Command: enter	-3
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Command: enter	*
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Command: display value	
-126
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Command: display stack	
  0:  -126
  1:  17
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Command: enter	+
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Command: display value	
-109
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Command: display stack	
  0:  -109
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Command: clear	
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Command: display value	
0
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Command: display stack	
stack is empty
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Command: enter	+
Error: not enough operands
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Command: enter	100
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Command: enter	/
Error: not enough operands
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Command: display value	
0
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Command: display stack	
  0:  100
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Command: enter	0
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Command: enter	/
Error: attempt to divide by zero
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Command: exit	
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