this post was submitted on 27 Nov 2025
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Science Memes

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[–] Nindelofocho@lemmy.world 3 points 18 hours ago (2 children)

Im terrible at math, what is this though?

[–] MimicJar@lemmy.world 22 points 18 hours ago* (last edited 18 hours ago) (1 children)

RPN or Reverse Polish Notation is a notation for calculators to be less ambiguous. The last numbers use the operator to their right, repeat. So no need for parenthesis or PEMDAS.

  • 2 5 8 5 - × +
  • (8 - 5 = 3)
  • 2 5 3 × +
  • (5 × 3 = 15)
  • 15 2 +
  • (15 + 2 = 17)
  • 17
[–] Nindelofocho@lemmy.world 5 points 17 hours ago

This might actually help me thank you!