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.
A scientific calculator program that gets infix expressions from input, converts them to postfix and prefix notation, and shows the result by evaluating the postfix expression.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results