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controller
NNCalcController controller
Controller object registered with this view to observe user-interaction
events.
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currentState
NNCalcView1.State currentState
State variable to keep track of which event happened last; needed to
prepare for digit to be added to bottom operand.
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tTop
JTextArea tTop
Text areas.
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tBottom
JTextArea tBottom
Text areas.
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bClear
JButton bClear
Operator and related buttons.
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bSwap
JButton bSwap
Operator and related buttons.
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bEnter
JButton bEnter
Operator and related buttons.
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bAdd
JButton bAdd
Operator and related buttons.
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bSubtract
JButton bSubtract
Operator and related buttons.
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bMultiply
JButton bMultiply
Operator and related buttons.
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bDivide
JButton bDivide
Operator and related buttons.
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bPower
JButton bPower
Operator and related buttons.
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bRoot
JButton bRoot
Operator and related buttons.
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bDigits
JButton[] bDigits
Digit entry buttons.