Thomas

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Why are chips safer than magnetic stripes?

credit-card smartcard asked Jan 23, 2014 at 13:05

security.stackexchange.com

80 votes

A guide on how to produce accessible PDF files?

pdftex accessibility pdf-a tagged-pdf asked Aug 15, 2015 at 18:28

tex.stackexchange.com

74 votes

Did I participate in the recent DDoS attacks on Dyn's DNS service?

attacks ddos asked Oct 26, 2016 at 18:42

security.stackexchange.com

71 votes

Differences between using Tor browser and VPN

vpn tor anonymity ip asked Nov 10, 2014 at 19:56

security.stackexchange.com

58 votes

Where to begin with foundations of mathematics

logic reference-request soft-question set-theory foundations asked May 4, 2012 at 0:50

math.stackexchange.com

39 votes

Who/what is behind LaTeX?

latex-project copyright licensing asked Oct 9, 2015 at 18:53

tex.stackexchange.com

38 votes

Why is it a security problem not to update one's browser?

web-browser exploit updates asked Sep 17, 2014 at 17:58

security.stackexchange.com

37 votes

'the USA' vs. 'the US'

usage formality abbreviations acronyms initialisms asked Mar 21, 2014 at 16:00

english.stackexchange.com

31 votes

How to make an empty box

boxes asked Oct 20, 2014 at 17:30

tex.stackexchange.com

31 votes

PHP create file for download without saving on server

php createfile force-download asked Apr 6, 2011 at 0:59

stackoverflow.com

Top Answers

299

Transpose of inverse vs inverse of transpose

math.stackexchange.com

121

Solve $4^{9x-4} = 3^{9x-4}$

math.stackexchange.com

120

Is an irrational number odd or even?

math.stackexchange.com

113

Why should we prove obvious things?

math.stackexchange.com

What is the difference between minimum and infimum?

math.stackexchange.com

Can someone explain Gödel's incompleteness theorems in layman terms?

math.stackexchange.com

What is vector division?

math.stackexchange.com

Does $\pi$ contain all possible number combinations?

math.stackexchange.com

What is Trinity Hall Prime number?

math.stackexchange.com

Find a mistake in the following bogus proof

math.stackexchange.com

Finding the order of permutations in $S_8$

math.stackexchange.com

A good way to retain mathematical understanding?

math.stackexchange.com

Infimum and supremum of the empty set

math.stackexchange.com

Formula sheets and books during tests and exams

matheducators.stackexchange.com

What do the symbols d/dx and dy/dx mean?

math.stackexchange.com

Why do you need to use the chain rule in differentiation of ln?

math.stackexchange.com

Uncountable minus countable set is uncountable

math.stackexchange.com

How long is a 2048-bit RSA key?

security.stackexchange.com

Why does an infinite limit not exist?

math.stackexchange.com

How do we know all numbers alternate between odd and even numbers?

math.stackexchange.com

Does the identity element of a group have an inverse?

math.stackexchange.com

What does $\mathbb{R}^n \to \mathbb{R}^m$ mean? And what is $\mathbb{R}^n$?

math.stackexchange.com

If $AB=I_n$ and $BA=I_m$ then $n=m$.

math.stackexchange.com

Why do we limit the definition of a function?

math.stackexchange.com

How to convince a math teacher of this simple and obvious fact?

math.stackexchange.com

Proof that $n^2 < 2^n$

math.stackexchange.com

How exactly can't $\delta$ depend on $x$ in the definition of uniform continuity?

math.stackexchange.com

Math without pencil and paper

math.stackexchange.com

Do mathematicians, in the end, always agree?

math.stackexchange.com

How to assign homework when answers are freely available or attainable online?

matheducators.stackexchange.com