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[Not-so-daily puzzle] Infinite product
358 sats \ 1 comment \ @south_korea_ln 29 Nov 2024 science
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[Daily puzzle] A short break (and some answers)
632 sats \ 4 comments \ @south_korea_ln 19 Oct 2024 science
[Daily puzzle] is this number rational
1074 sats \ 10 comments \ @south_korea_ln 25 Oct 2024 science
The Paradox of 1 – 1 + 1 – 1 + 1 – 1 + …www.scientificamerican.com/article/1-the-paradox-of-1-1-1-1-1-1/
602 sats \ 4 comments \ @dontforgetthekeys 6 Sep 2024 FiresidePhilosophy
[Daily puzzle] Exact value of continued fraction
655 sats \ 7 comments \ @south_korea_ln 6 Oct 2024 science
[Daily puzzle] \sum{n=1}^m n^3 = \left( \sum_{n=1}^m n \right)^2?
473 sats \ 11 comments \ @south_korea_ln 29 Sep 2024 science
[Daily puzzle] Find the ratio
847 sats \ 8 comments \ @south_korea_ln 26 Oct 2024 science
[Not-so-daily puzzle] happy.newyear
272 sats \ 8 comments \ @south_korea_ln 31 Dec 2024 science
[Daily puzzle] Does cos(x^2)=0 have more solutions than cos(x)=0?
696 sats \ 14 comments \ @south_korea_ln 27 Sep 2024 science
[Daily puzzle] Fun with geometry
757 sats \ 4 comments \ @south_korea_ln 20 Oct 2024 science
[Daily puzzle] \sum_0^{120} \frac{1}{\sqrt{n+1}+\sqrt{n}} = ?
769 sats \ 11 comments \ @south_korea_ln 24 Sep 2024 charts_and_maps
[Not so daily puzzle] Sum-o wrestlingwww.theguardian.com/science/2025/aug/18/can-you-solve-it-are-you-a-matcha-for-these-tasty-japanese-puzzles
950 sats \ 7 comments \ @south_korea_ln 19 Aug 2025 science
[Daily puzzle] If m! x n! = 10! then m x n = ?
1022 sats \ 22 comments \ @south_korea_ln 24 Sep 2024 charts_and_maps
[Daily puzzle] Tricky system of equations
1119 sats \ 7 comments \ @south_korea_ln 5 Nov 2024 science
[Daily puzzle] Simple algebra problem.
1169 sats \ 17 comments \ @south_korea_ln 28 Oct 2024 science
[Daily puzzle] Speed integrating
285 sats \ 1 comment \ @south_korea_ln 9 Dec 2024 science
[Daily puzzle] Proving a curious equality
1061 sats \ 14 comments \ @south_korea_ln 27 Oct 2024 science
[Daily puzzle] Integral
705 sats \ 11 comments \ @south_korea_ln 31 Oct 2024 science
[Not-so-daily puzzle] Singapore at it, again
476 sats \ 14 comments \ @south_korea_ln 2 Apr 2025 science
[Daily puzzle] Triangle inequality
571 sats \ 3 comments \ @south_korea_ln 10 Nov 2024 science
[Daily puzzle] Fill in the blanks
2368 sats \ 20 comments \ @south_korea_ln 29 Oct 2024 science
[Not-so-daily puzzle] Playing with exponents
541 sats \ 1 comment \ @south_korea_ln 27 Dec 2024 science