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French math enjoyer.
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Top Questions
45
votes
A strange operator on my new calculator
mathematics
calculation-puzzle
asked Dec 13, 2023 at 11:08
puzzling.stackexchange.com
19
votes
My doctor gave me this IQ test - what's your diagnosis?
enigmatic-puzzle
visual
pattern
asked Dec 21, 2023 at 15:58
puzzling.stackexchange.com
18
votes
The newcomers' maze
knowledge
enigmatic-puzzle
mazes
asked Dec 2, 2023 at 20:24
puzzling.stackexchange.com
17
votes
Going around in circles
logical-deduction
knowledge
enigmatic-puzzle
grid-deduction
asked Jun 18 at 13:06
puzzling.stackexchange.com
16
votes
Another type of Sudoku puzzle
logical-deduction
enigmatic-puzzle
grid-deduction
sudoku
asked Dec 9, 2023 at 14:45
puzzling.stackexchange.com
8
votes
Words in my bookshelf
word
knowledge
pattern
word-property
asked Jun 20 at 12:19
puzzling.stackexchange.com
6
votes
Real coefficients such that any matrix is invertible
linear-algebra
matrices
inverse
asked May 22, 2021 at 21:06
math.stackexchange.com
6
votes
Shouldn’t $\tan^{-1}(\mathbb{R})$ be closed?
general-topology
asked Jun 28, 2021 at 21:31
math.stackexchange.com
5
votes
A probability problem about picking balls - and somehow related to solar panels
probability
asked Aug 24, 2023 at 18:14
math.stackexchange.com
5
votes
Condition on endomorphisms satisfying $\operatorname{Ker} f=\operatorname{Im} f$
linear-algebra
asked Jun 20, 2021 at 20:35
math.stackexchange.com
Top Answers
39
How to solve 1 2 3 4 5 = 5 4 3 2 1 (insert five pluses to make it equal)? A thorough solution needed
puzzling.stackexchange.com
25
$\pi$ = 13, $\sqrt{2}$ = 7, $e$ =?
puzzling.stackexchange.com
19
BBBBBBBBBB -> BB
puzzling.stackexchange.com
17
Meta-connect wall
puzzling.stackexchange.com
16
What's the one digit you can fill in this partially hidden Sudoku?
puzzling.stackexchange.com
14
Add rules to Minesweeper until you can start with nothing
puzzling.stackexchange.com
13
Who are the space adventurers?
puzzling.stackexchange.com
13
Guarantee a win in choosing numbers from extremes of a row of numbers
puzzling.stackexchange.com
10
What is the largest n-way tie possible for Mario Kart?
puzzling.stackexchange.com
10
Surely it's just scenery
puzzling.stackexchange.com
8
What should be in box 4?
puzzling.stackexchange.com
8
Best Wishes for 2024: Four empty Suguru (Tectonic) puzzles
puzzling.stackexchange.com
8
The S-340 cipher
puzzling.stackexchange.com
8
Racecar Maniac #2
puzzling.stackexchange.com
7
$\sin (\frac{\pi}{4n}) \ge \frac{\sqrt{2}}{2n}$ for all $n\in \mathbb N$
math.stackexchange.com
6
Probability of card being 7 of diamonds given the card is red
math.stackexchange.com
6
How to sell at the buying price and still have something in hand?
puzzling.stackexchange.com
6
Racecar Maniac #1
puzzling.stackexchange.com
6
Progressive matrix of line drawings
puzzling.stackexchange.com
5
If $X^6+X^5-2X^4-X^2-X+2=0$, what values of $\mbox{tr}(X)$ are admissible?
math.stackexchange.com
5
Base 10 is better than Base 12 or Base 16
puzzling.stackexchange.com
puzzling.stackexchange.com
math.stackexchange.com