A postfix expression evaluator works on arithmetic statements that take this form: op1 op2 operator . . . Using two stacks, one for the operands and one for the operators, design and implement a Calculator class that converts infix expressions to postfix expressions and then uses the stacks to evaluate the expressions.

C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN:9781337102087
Author:D. S. Malik
Publisher:D. S. Malik
Chapter18: Stacks And Queues
Section: Chapter Questions
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. A postfix expression evaluator works on arithmetic statements that take
this form: op1 op2 operator . . . Using two stacks, one for the operands
and one for the operators, design and implement a Calculator class that
converts infix expressions to postfix expressions and then uses the stacks
to evaluate the expressions.

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