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Free Postfix Calculator | Evaluate Postfix (Reverse Polish) Notation


Note Make sure to add space after every inputs(+,-,/,*,A-B,a-z).
Result:
None

Examples:

  • 3 4 + → 3 + 4 = 7
  • 2 3 + 5 1 - * → (2+3)*(5-1) = 20
  • 5 6 * 7 - → (5*6)-7 = 23
  • 3 4 + 5 * 2 / → ((3+4)*5)/2 = 17.5

Postfix notation (Reverse Polish Notation) places the operator after its operands.


Evaluate postfix (Reverse Polish) notation expressions instantly with this free online calculator. Supports +, -, *, /, ^ operators and parentheses. Perfect for students, programmers, and competitive exam preparation.

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