Description: The realization of the calculator function is the first output calculator graphics style and then through the way of the key to achieve numerical computing
So the program mainly the two parts to achieve a part of the function is to display a part of the calculator function is to achieve the display
The calculator is on the screen display graphics C PC provides the Turbo system environment under the expansion of the screen and graphics support system
By using this system, the information and function of the character screen processing function and the graphics system can be well realized.
Function is mainly to solve the process of receiving key information to identify if the button is the number of symbols to be transferred
If the operand is the operator, the corresponding processing is performed.
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Calculator.c
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