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RPN Calculator

Result

(empty stack)

Stack (bottom → top)

empty

Usage

Reverse Polish Notation: operands first, operator last.

  • Push("5") then Push("3") then Push("+") → 8
  • Supported operators: +, -, *, / (integer division)
  • An operator pops the top two values (a, b) and pushes a op b.
  • Clear() empties the stack.
  • Divide-by-zero and underflow abort the transaction.