1. Use a stack to store operators and maintain precedence. 2. If an operand appears, add it directly to the output. 3. If an operator appears: - Pop from the stack to the output **until** the stack is ...
In infix notation, we need parentheses to show which part of the expression to solve first. In postfix notation, the order of operations is already clear, so we don’t need parentheses.
Cuireadh roinnt torthaí i bhfolach toisc go bhféadfadh siad a bheith dorochtana duit
Taispeáin torthaí dorochtana
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