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 ...

No Need for Parentheses 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 ...