As title. Why for the power operator the precedence goes from right to left, instead that from left to right as for + - and * / ?

Because that’s the precedence of exponentiation in mathematics: order of operations . edit: That page makes a note that some languages do this differently, but I’m glad Python does it the way it works in mathematical notation.

In mathematical notation, 2 ** 3 is written as 2 with a superscript of 3, i.e. 2³, and 2 ** 3 ** 4 is written as 2 with a superscript of 3⁴ (which, unfortunately, I can’t write here). This means that the 2 ** 3 ** 4 needs to be evaluated as 2 ** (3 ** 4) in order to match what’s done in mathematica…

Thanks for that. I learned something new today. :slight_smile:

Within the official Python documentation , currently representing version 3.12.1, see 6. Expressions , and within that page, go to the bottom to find 6.17. Operator precedence . Note therein that conditional operators on the same precedence level, like exponentiation, also group from right to left: O…

[image] Matthew Barnett: In mathematical notation, 2 ** 3 is written as 2 with a superscript of 3, i.e. 2³ Thank you, written on paper is much more clear.

Markup Result $2^3^4$ 2^3^4 $2^{3^4}$ 2^{3^4} ${2^3}^4$ {2^3}^4 $(2^3)^4$ (2^3)^4 $2^(3^4)$ 2^(3^4) $({2^3})^4$ ({2^3})^4 $2^({3^4})$ 2^({3^4}) ${(2^3)}^4$ {(2^3)}^4 $2^{(3^4)}$ 2^{(3^4)} Fascinating :slightly_smiling_face:

Why 2 3 4 is equal to 2 (3 4)?

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Lucas_Malor (Lucas Malor) December 29, 2023, 11:56am 7

Thank you, written on paper is much more clear.

Why 2 ** 3 ** 4 is equal to 2 ** (3 ** 4)?

Why 2 3 4 is equal to 2 (3 4)?