Description: Scientific Calculator define character array file [], expression [] are used to receive input file names, the contents of the input file, define the integer length is used to indicate the length of the expression. Function start to enter the expression of papers, with the expression [] receive input expression, length indicates the length of the expression. Then call IsRightInput () to determine the legality of importation, if the input sub-rule prompted to input errors. If the input is correct, call the Initial () function initializes the stack, call DealInput () function processes the input expression is displayed after the end of processing the input expression postfix expression and calculation results, and are prompted to continue.
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Scientific_Calculator.doc