Introduction - If you have any usage issues, please Google them yourself
Objective To know the characteristics of the stack test, can take advantage of the practical application of the characteristics of the stack. Master the " Law of operator precedence," and can use the algorithm expression is evaluated. Experiment requires the value of seeking an expression: Enter a positive integer and the parentheses contain " +" ," -" ," *" ," /" , the legitimate expression to calculate the operation result of the expression. The ability of students to consider a number of floating-point operand is the case. Source code written in good programming style, with detailed comments. Interface program runs well.