The Reverse Polish Notation

How fast can you calculate in RPN?
The examples were generated by a program, note me if there's something too difficult or wrong
Quiz by
Pandryf
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Last updated: February 14, 2024
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First submittedFebruary 13, 2024
Times taken17
Average score73.3%
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RPN
Result
3 10 2 8 + - -
3
10 10 + 4 + 4 -
20
3 5 5 - - 7 *
21
7 2 ^ 5 3 + -
41
5 1 + 4 * 4 +
28
2 7 - 4 - 10 +
1
2 3 - 8 3 * +
23
2 3 6 5 * + +
35
7 7 3 - + 6 +
17
2 2 3 - + 3 *
3
2 6 3 9 - + -
2
3 8 8 + 2 + +
21
8 7 + 1 * 1 -
14
6 10 6 * + 4 -
62
3 6 6 - 4 + +
7
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2 Comments
+2
Level 63
Feb 13, 2024
explain
+2
Level 63
Feb 14, 2024
there's a stack of numbers, now reading from left to right:

1) if there's a number, you stack it on the top

2) if there's an operating sign, you do what it says with the top 2 numbers from the stack, e.g. if the top number is 2, there's a 7 right under it, and you have a "^", you raise 7 to the 2nd power and get 49 - the result replaces the numbers used to create it - in this example, the stack of [5, 12, 8, 7, 2] becomes [5, 12, 8, 49]