Skip to main content
Mathematics
Isaac's user avatar
Isaac's user avatar
Isaac's user avatar
Isaac
  • Member for 15 years, 4 months
  • Last seen more than a month ago
Profile Activity

Stats

37,107
reputation
4.4m
reached
462
answers
20
questions
Communities
View all

About

PNG output from se-flair

Badges

View all badges
15
gold badges
112
silver badges
142
bronze badges

Top tags

View all tags
854
Score
129
Posts
27
Posts %
625
Score
143
Posts
30
Posts %
498
Score
69
Posts
14
Posts %
328
Score
77
Posts
16
Posts %
228
Score
44
Posts
9
Posts %
224
Score
16
Posts
3
Posts %

Top posts

View all questions and answers
answer
195
Is it true that $0.999999999\ldots=1$?
Jul 20, 2010
answer
183
Why $\sqrt{-1 \cdot {-1}} \neq \sqrt{-1}^2$?
Jul 22, 2010
answer
178
How to prove Euler's formula: $e^{it}=\cos t +i\sin t$?
Aug 28, 2010
answer
149
General formula for solving quartic (degree $4$) equations
Jul 27, 2010
answer
102
Proof that the irrational numbers are uncountable
Jul 26, 2010
answer
83
Can there be two distinct, continuous functions that are equal at all rationals?
Jul 22, 2010
answer
80
Is there a formula to calculate the sum of all proper divisors of a number?
Feb 18, 2011
answer
76
Where is the flaw in this "proof" that 1=2? (Derivative of repeated addition)
Jul 29, 2010
question
74
Proving that $1$- and $2D$ simple symmetric random walks return to the origin with probability $1$
Jul 23, 2010
question
68
Sum of the alternating harmonic series $\sum_{k=1}^{\infty}\frac{(-1)^{k+1}}{k} = \frac{1}{1} - \frac{1}{2} + \cdots $
Jul 26, 2010

Top Meta posts

21
66
50
I quit. Here's why.
22
Design Ideas for Mathematics Site
22
Coping with abstract duplicate questions.
22
Happy First Birthday, M.SE!
21
Vote to Close as Exact Duplicate should Accept MathOverflow Question URLs

Top network posts

View all network posts
114
Convert HTML entities to Unicode and vice versa
80
JavaScript break sentence by words
65
How to center content in a UIScrollView with contentOffset
64
Speeding up this fractal-generating code
60
Getting info from .ips crash report file