Question: Postfix notation is an unambiguousway of writing an arithmetic expressionwithout parentheses. It is defined so that if (exp 1 )op(exp 2 ) is a normal

Postfix notation is an unambiguousway of writing an arithmetic expressionwithout parentheses. It is defined so that if “(exp₁)op(exp₂)” is a normal fully parenthesized expression whose operation is op, the postfix version of this is “pexp₁ pexp₂ op”, where pexp1 is the postfix version of exp1 and pexp₂ is the postfix version of exp₂. The postfix version of a single number or variable is just that number or variable. So, for example, the postfix version of “((5+2) ∗ (8−3))/4” is “5 2 + 8 3 − ∗ 4 /”. Describe a nonrecursive way of evaluating an expression in postfix notation.

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