Reverse Polish Notation Calculator

e.g., '3 4 +' or '5 3 - 2 *'
Math

Reverse Polish Notation (RPN) evaluates postfix expressions. Format: '3 4 +' = 7; '5 3 -' = 2; '2 3 *' = 6.

Formula

Postfix evaluation: operands before operators

(3+4)×2 in RPN

Inputs
  • RPN Expression: 3 4 + 2 *

'3 4 +' = 7, then '7 2 *' = 14

Frequently asked questions

What is RPN?
Postfix notation where operator follows operands: '3 4 +' means 3+4
Supported operators?
+ (add), − (subtract), × (multiply), ÷ (divide), ^ (power)