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22h
revised What is the determinant of the sum of a diagonal matrix and a matrix of ones?
Get rid of a pesky typo
Mar
23
revised What is the lower bound for an algorithm that reconstructs a permutation?
fix typos
Mar
13
revised How to prove that $\lim\limits_{x\to0}\frac{\sin x}x=1$?
formatting.
Mar
3
revised Is there a totally ordered set we can map any other totally ordered set to?
added 2 characters in body
Nov
27
revised Showing that $\lim_{x\to\infty}\left(\sqrt{x^2+c}-x\right)=0$
add condition on c
Jun
12
revised Ice Cream Combinatorics
Formatting
Oct
16
revised How can I find a point where an osculating circle goes through a certain point?
added 17 characters in body
Sep
8
revised The inverse of the inscribed angle theorem
added 44 characters in body
Sep
8
revised The inverse of the inscribed angle theorem
deleted 11 characters in body
Apr
6
revised High school math definition of a variable: the first step from the concrete into the abstract…
typographic improvements
Mar
30
revised What is the expression of $n$ that equals to $\sum_{i=1}^n \frac{1}{i^2}$?
Make links linky
Jan
17
revised Question about a lemma on continuity
added 8 characters in body
Dec
18
revised Find function if known some limit
Formatting
Oct
23
revised How do I prove $f (n) = \omega(2^n)$ if $f(n) = n!$?
add latex. w -> \omega?!?
Oct
12
revised Probability of a random $n \times n$ matrix over $\mathbb F_2$ being nonsingular
added 119 characters in body; edited tags
Sep
21
revised Easy proof, that $\rm e\notin \mathbb Q$
deleted 5 characters in body
Sep
6
revised Help with easy proof
Add latex syntax.
Sep
4
revised Project Euler, Problem #25
Consistent notation: \phi -> \varphi
Aug
29
revised Conjectures that have been disproved with extremely large counterexamples?
Add syntax.
Jul
14
revised $\sqrt[x]{y} = y^{1 / x}$? Need help with algebra of exponentiation
Really show the second line (as intended)