Stack Exchange

lhf

#SOreadytohelp

top accounts reputation activity bookmarks subscriptions
Top Questions
Top Answers
108
Is it bad form to write mysterious proofs without explaining what one intends to do?
math.stackexchange.com

105
Check if a file exists with Lua
stackoverflow.com

89
How do I increase sudo password remember timeout?
apple.stackexchange.com

83
Every nonzero element in a finite ring is either a unit or a zero divisor
math.stackexchange.com

82
Continuous bijection from $(0,1)$ to $[0,1]$
math.stackexchange.com

74
Lua print on the same line
stackoverflow.com

74
Why “characteristic zero” and not “infinite characteristic”?
math.stackexchange.com

72
Proof: 1007 can not be written as the sum of two primes.
math.stackexchange.com

67
Why does Wolfram Alpha say the roots of a cubic involve square roots of negative numbers, when all three roots are real?
math.stackexchange.com

65
Why can't a set have two elements of the same value?
math.stackexchange.com

58
How do you cleanly exit interactive Lua?
stackoverflow.com

57
Reading whole files in Lua
stackoverflow.com

55
How to get an empty page with text at bottom?
stackoverflow.com

55
Elegant proofs that similar matrices have the same characteristic polynomial?
math.stackexchange.com

55
Which is larger? $20!$ or $2^{40}$?
math.stackexchange.com

54
Why do we use the word “scalar” and not “number” in Linear Algebra?
math.stackexchange.com

53
Lua's bytecode specification
stackoverflow.com

52
Lua replacement for the % operator
stackoverflow.com

48
What does infinity in complex analysis even mean?
math.stackexchange.com

48
Is an automorphism of the field of real numbers the identity map?
math.stackexchange.com

47
Mac OS X terminal delete word by word
stackoverflow.com

46
Why is integration so much harder than differentiation?
math.stackexchange.com

46
How do you prove that $n^n$ is $O(n!^2)$?
math.stackexchange.com

44
Famous mathematical quotes
mathoverflow.net

44
lua: retrieve list of keys in a table
stackoverflow.com

43
What are good books to learn graph theory?
math.stackexchange.com

43
Really advanced techniques of integration (definite or indefinite)
math.stackexchange.com

42
Ring of polynomials over a field has infinitely many primes
math.stackexchange.com

42
Is it possible to simulate a floor() function with elementary arithmetic?
math.stackexchange.com

41
Do all square matrices have eigenvectors?
math.stackexchange.com

1 2 3 4 5 … 10