Operations

No of elements in Stack -

Operation -

Index position of Top -

Steps

How to Get Started

• Initially the Stack would be empty.
• Top Pointer would be -1 pointing to NULL Value.
• Enter the required postfix expression and click 'Go'.
• The elements would appear on the screen.
• On clicking the 'Next Step' evaluation would be started and corresponding operations would be done in stack.
• The last element reamaining towards which the top pointer is pointing would be the result of expression.