Stack Exchange
log in
chat
meta
about
Stack Exchange
All Sites
Hot Questions
Top Users
Newsletters
Blogs
Henning Makholm
Copenhagen, Denmark
henning.makholm.net
Age: 39
top
accounts
reputation
activity
favorites
subscriptions
Top Questions
25
votes
Is “recommend deletion” secretly a vote to delete?
discussion
delete
review
asked Aug 29 '12 at 14:50
meta.stackoverflow.com
22
votes
How did “one-to-one” come to mean “injective”?
terminology
asked Sep 9 '11 at 17:29
math.stackexchange.com
21
votes
Functions that take rationals to rationals
real-analysis
asked Jul 6 '12 at 21:16
math.stackexchange.com
20
votes
What are the rules for equals signs with big-O and little-o?
notation
asymptotics
asked Nov 27 '11 at 15:50
math.stackexchange.com
13
votes
Is there a name for this kind of “betweenness structure”?
terminology
order-theory
asked Nov 10 '12 at 19:21
math.stackexchange.com
13
votes
Which way do spiral galaxies rotate?
astronomy
galaxies
rotation
asked Oct 16 '11 at 6:17
physics.stackexchange.com
11
votes
How can I find my answer when a question migration left it in limbo?
support
answers
migration
asked Aug 16 '11 at 13:40
meta.stackoverflow.com
8
votes
Integer multiplication mod 2³² in Actionscript 3
actionscript-3
language-lawyer
asked Aug 7 '11 at 15:54
stackoverflow.com
7
votes
Partial sums of exponential series
real-analysis
asked Apr 25 '12 at 21:57
math.stackexchange.com
7
votes
Removing noise when the signal is not smooth
reference-request
soft-question
signal-processing
data-analysis
asked Dec 1 '12 at 22:03
math.stackexchange.com
1
2
next
Top Answers
352
Find an integer not among four billion given ones
stackoverflow.com
143
Multiple-choice question about the probability of a random answer to itself being correct
math.stackexchange.com
61
A new imaginary number? $x^c = -x$
math.stackexchange.com
60
Does a “cubic” matrix exist?
math.stackexchange.com
55
Getting the sequence $1, 0, -1, 0, 1, 0, -1, 0, \ldots$ without trig?
math.stackexchange.com
51
Prove that if two miles are run in 7:59 then one mile MUST be run under 4:00.
math.stackexchange.com
44
Proof that the real numbers are countable: Help with why this is wrong
math.stackexchange.com
42
Academic integrity
math.stackexchange.com
34
Logic nonsense/paradox
math.stackexchange.com
33
$\sin 1^\circ$ is irrational but how do I prove it in a slick way? And $\tan(1^\circ)$ is …
math.stackexchange.com
32
Is there a clever solution to this elementary probability/combinatorics problem?
math.stackexchange.com
30
Do “Parabolic Trigonometric Functions” exist?
math.stackexchange.com
26
Solutions to the matrix equation $\mathbf{AB-BA=I}$ over general fields
math.stackexchange.com
24
What kind of “mathematical object” are limits?
math.stackexchange.com
22
Why does volume go to zero?
math.stackexchange.com
21
Strange behavior of bitwise NOT (~)
stackoverflow.com
21
In C, does a pointer to a structure always point to its first member?
stackoverflow.com
19
Is the set of all mathematical truths countable or uncountable?
math.stackexchange.com
19
Can true randomness come out of mathematical rules?
math.stackexchange.com
19
How many prime numbers are known?
math.stackexchange.com
18
How to create an object with JNI?
stackoverflow.com
18
The status of high school geometry
math.stackexchange.com
18
Cutting cake into 5 equal pieces
math.stackexchange.com
18
Computing limit $\frac{1}{2} +\frac{ 2}{4} + \frac{3}{8}+ \frac{4}{16} +\frac{ 5}{32} + \dots$
math.stackexchange.com
17
How to write recursive lambda expression in Haskell?
stackoverflow.com
17
Symbol denoting “for at least one”
math.stackexchange.com
16
Is it possible to find out the variable name, the pointer pointing to?
stackoverflow.com
16
Attitude towards exercises in mathematics
math.stackexchange.com
16
Show that $\tan 3x =\frac{ \sin x + \sin 3x+ \sin 5x }{\cos x + \cos 3x + \cos 5x}$
math.stackexchange.com
16
What is the standardized way to represent $\pi$ in binary notation?
math.stackexchange.com
1
2
3
4
5
…
10
next
Stack Exchange works best with JavaScript enabled