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Parcly Taxel

Singapore

https://parclytaxel.tumblr.com

The Princess of Science – an alicorn who loves mathematics, chemistry and all the fun in between. Yes, I do love My Little Pony: Friendship Is Magic, and there's a lot of maths in there. Real name Jeremy Tan. Deviant Art page.

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Top Questions
Top Answers
284
Are $14$ and $21$ the only "interesting" numbers?
math.stackexchange.com

119
The idea behind the sum of powers of 2
math.stackexchange.com

77
What's the probability of choosing two numbers from $[0,1]$ and having the difference at least one half?
math.stackexchange.com

70
Monic polynomials whose roots are their remaining coefficients
math.stackexchange.com

62
Make e using 1, 2, 3, 4, 5, 6, 7, 8, 9
puzzling.stackexchange.com

59
Matrix determinant contradicts corresponding box volume – how is it possible?
math.stackexchange.com

55
Test of being a rational number for $(1-\frac13+\frac15-\frac17+\cdots)/(1+\frac14+\frac19+\frac1{16}+\cdots)$
math.stackexchange.com

54
Is there any other number that has similar properties as $21$?
math.stackexchange.com

50
When to stop rolling a die in a game where 6 loses everything
math.stackexchange.com

47
How many ways are there to fill a 3 × 3 grid with 0s and 1s?
math.stackexchange.com

47
Created a function with roots at primes and only primes, are there useful applications?
math.stackexchange.com

42
What is the smallest positive multiple of 450 whose digits are all zeroes and ones?
math.stackexchange.com

40
Prove that there are infinitely many primes with $666$ in their decimal representation without Dirichlet's theorem.
math.stackexchange.com

37
$3\times3$ matrix of distinct positive primes with determinant $0$
math.stackexchange.com

33
"In a circle of 33, the next 10 people on my right are all liars"
math.stackexchange.com

33
Dividing a rectangle into 4 parts in the ratio 1:2:3:4, with only 2 lines
math.stackexchange.com

32
Can a parallelogram have whole-number lengths for all four sides and both diagonals?
math.stackexchange.com

32
If the square root of two is irrational, why can it be created by dividing two numbers?
math.stackexchange.com

30
4-digit password with unique digits not in ascending or descending order
math.stackexchange.com

29
Why does the characteristic of a finite field always have to be prime?
math.stackexchange.com

29
A strange occurrence in the decimal digits of $\pi$?
math.stackexchange.com

28
What is the name of this 3D shape with 12 outer vertices?
math.stackexchange.com

28
Create 76 out of 1,2,3,4
puzzling.stackexchange.com

26
Angle between the hour and minute hands at 6:05
math.stackexchange.com

26
Equation of a plane passing through 3 points
math.stackexchange.com

26
Find mistake in simplifying rational expression
math.stackexchange.com

25
Subset of knight's move in chess.
math.stackexchange.com

25
(Seemingly) simple trigonometry problem
math.stackexchange.com

24
Understandable questions which are hard for non-mathematicians but easy for mathematicians
math.stackexchange.com

23
Create number 985 using 1 3 5 7 9
puzzling.stackexchange.com

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