sign up
sign up
sign up
sign up
pull down to refresh
[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
related
[Daily puzzle] Find area of white region
2026 sats
\
18 comments
\
@south_korea_ln
10 Oct 2024
science
[Daily puzzle] Find the radius of the circle
1947 sats
\
26 comments
\
@south_korea_ln
11 Oct 2024
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
Stacker News: Interesting Item #'s
11.5k sats
\
15 comments
\
@OneOneSeven
28 Sep 2024
charts_and_maps
[Daily puzzle] Diameter of circle
2175 sats
\
13 comments
\
@south_korea_ln
14 Oct 2024
science
Why did Gigi say [nostr] zaps can’t be faked?
njump.me/note13u0zh6lvtj7gaurcpsgdhz4c7thf4dsrgq605creeqmujqt90cnqq9xqed
20.7k sats
\
4 comments
\
@ek
31 Mar 2025
nostr
[Daily puzzle] Maximum distance between 5 points in a square?
1410 sats
\
10 comments
\
@south_korea_ln
9 Oct 2024
science
[Daily puzzle] is this number rational
1074 sats
\
10 comments
\
@south_korea_ln
25 Oct 2024
science
[Daily puzzle] Find the ratio
847 sats
\
8 comments
\
@south_korea_ln
26 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] Prime number puzzle
636 sats
\
30 comments
\
@south_korea_ln
26 Sep 2024
science
[Daily puzzle] Simple algebra problem.
1169 sats
\
17 comments
\
@south_korea_ln
28 Oct 2024
science
[Not-so-daily puzzle] Which one is bigger?
908 sats
\
8 comments
\
@south_korea_ln
20 Dec 2024
science
This will be my 1st 100k sats post on SN
4778 sats
\
26 comments
\
@cryotosensei
21 Feb 2024
meta
[Daily puzzle] Fraction of area tinted yellow?
608 sats
\
6 comments
\
@south_korea_ln
26 Sep 2024
charts_and_maps
[Daily puzzle] Find the area covered by the blue shade
701 sats
\
28 comments
\
@south_korea_ln
28 Sep 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] Proving a curious equality
1061 sats
\
14 comments
\
@south_korea_ln
27 Oct 2024
science
[Daily puzzle] No calculator math
833 sats
\
20 comments
\
@south_korea_ln
12 Oct 2024
science
[Daily puzzle] Sum of floors
973 sats
\
4 comments
\
@south_korea_ln
8 Nov 2024
science
[Daily puzzle] Fun with geometry
757 sats
\
4 comments
\
@south_korea_ln
20 Oct 2024
science
more