Description: Calculator Java program are: a graphical interface with a combination of mathematical calculations. Implementation of the graphical interface: buttons, taking into account the many questions and易混, on the choice of finish with the array to achieve, to carry out operations in the figure, the Administration will consider all our ordinary calculator by pressing the button to show the figure, so there must be a Class to get the button on the figure, can be seen also required to receive the button on the operator symbols, figures and symbols on the button operations on the list are in, and through the node list to identify a number of different computing or symbols generally is the first storage node in the figure is the first take part in several operations, the second is putting the symbol of the operator, the third place are the second take part in several operations, the merits of program design are: the clarity of easy to understand, easy to modify. Disadvantage of this design are: jav
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Calculator code.doc
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