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
Prefix notation (Polish notation) places the operator before its operands.
Evaluate prefix (Polish) notation expressions instantly with this free online calculator. Supports +, -, *, /, ^ operators and parentheses. Perfect for computer science students, programmers, and competitive exam preparation.
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