Reverse Polish Notation Calculator
Result
Reverse Polish Notation Calculator Reverse Polish Notation (RPN) evaluates postfix expressions. Format: '3 4 +' = 7; '5 3 -' = 2; '2 3 *' = 6. — free online calculator.
Formula
- Reverse Polish Notation Calculator calculates its result from First number, Second number, Operator code: 1 +, 2 -, 3 *, 4 /. It uses the formula Postfix evaluation: operands before operators. Change any input to recalculate the result instantly.
- The main inputs are First number, Second number, Operator code: 1 +, 2 -, 3 *, 4 /. Enter them in the units and format shown in the calculator.
- Keep comparable quantities in compatible units whenever the formula combines or compares them.
- Changing any input above recalculates the result with the same calculation engine used by this page.
Example: Reverse Polish Notation
- First number: 3
- Second number: 4
- Operator code: 1 +, 2 -, 3 *, 4 /: 1
Using First number = 3, Second number = 4, Operator code: 1 +, 2 -, 3 *, 4 / = 1, the calculated result is 7.
Sample result: Calculating…
Frequently asked questions
What does the Reverse Polish Notation calculate?
Reverse Polish Notation Calculator Reverse Polish Notation (RPN) evaluates postfix expressions. Format: '3 4 +' = 7; '5 3 -' = 2; '2 3 *' = 6. — free online calculator.
Which values should I enter?
Enter First number, Second number, Operator code: 1 +, 2 -, 3 *, 4 / using the units and format shown beside each field.
What formula does this calculator use?
The calculator uses the following relationship: Postfix evaluation: operands before operators.
Why might my result differ from another source?
Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.
Does the result update automatically?
Yes. Changing an input updates the result using the same calculation engine shown on this page.