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Top Questions
27
votes
AM/PM to TimeSpan
c#
datetime
timespan
asked Jul 9, 2013 at 16:44
stackoverflow.com
25
votes
$a^n \equiv 1\pmod{\!m}\!\iff\! $ order of $a$ divides $n\,$ [Order Theorem]
group-theory
elementary-number-theory
discrete-mathematics
modular-arithmetic
totient-function
asked Apr 2, 2012 at 3:54
math.stackexchange.com
18
votes
Operator Overloading in struct
c++
asked Nov 20, 2012 at 18:54
stackoverflow.com
12
votes
If $A$ is compact, is then $f(A)$ compact?
real-analysis
compactness
asked Feb 21, 2012 at 19:01
math.stackexchange.com
11
votes
Proving Cauchy's Generalized Mean Value Theorem
real-analysis
proof-verification
asked Feb 29, 2012 at 4:07
math.stackexchange.com
10
votes
Structure Reference and Dereference Operators
c++
asked Nov 20, 2012 at 15:25
stackoverflow.com
10
votes
A Continuous Nowhere-Differentiable Function
real-analysis
asked Dec 14, 2012 at 4:22
math.stackexchange.com
9
votes
Uniform Convergence of an Exponential Sequence of Functions
real-analysis
asked Mar 14, 2012 at 0:46
math.stackexchange.com
8
votes
Arbitrary Union and Intersection of Closed and Open Sets
homework
real-analysis
asked Feb 23, 2012 at 3:57
math.stackexchange.com
7
votes
Find all positive integers $n$ such that $\phi(n)=6$.
elementary-number-theory
totient-function
asked Apr 4, 2012 at 14:22
math.stackexchange.com
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Top Answers
20
Rotate M*N Matrix (90 degrees)
stackoverflow.com
10
What was the book that opened your mind to the beauty of mathematics?
math.stackexchange.com
10
What is the formal way to express the meaning of a variable?
math.stackexchange.com
9
What do the $+,-$ mean in limit notation, like$\lim\limits_{t \to 0^+}$ and $\lim\limits_{t \to 0^-}$?
math.stackexchange.com
9
Why does my code all of a sudden stop here in this C program?
stackoverflow.com
6
Definite integral from $0$ to $t$ of $t$ wrt. $s$
math.stackexchange.com
6
Why doesn't Console.Read() return the number entered?
stackoverflow.com
5
Question about the $\epsilon-\delta$ definition of continuity of function
math.stackexchange.com
5
Proving smooth map between smooth manifolds is constant based on push forward being zero
math.stackexchange.com
5
Indexing a string?
stackoverflow.com
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