Mathematics
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Isaac
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All Questions Answers
Score Newest
answer
184
Is it true that $0.999999999\ldots=1$?
Jul 20, 2010
answer
165
Why $\sqrt{-1 \cdot {-1}} \neq \sqrt{-1}^2$?
Jul 22, 2010
answer
159
How to prove Euler's formula: $e^{i\varphi}=\cos(\varphi) +i\sin(\varphi)$?
Aug 28, 2010
answer
140
Is there a general formula for solving 4th degree equations (quartic)?
Jul 27, 2010
answer
89
Proof that the irrational numbers are uncountable
Jul 26, 2010
question
71
Proving that $1$- and $2D$ simple symmetric random walks return to the origin with probability $1$
Jul 23, 2010
answer
69
Where is the flaw in this "proof" that 1=2? (Derivative of repeated addition)
Jul 29, 2010
answer
68
Can there be two distinct, continuous functions that are equal at all rationals?
Jul 22, 2010
answer
68
Is there a formula to calculate the sum of all proper divisors of a number?
Feb 18, 2011
answer
61
What are some examples of a mathematical result being counterintuitive?
May 2, 2012
Top Meta posts
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I quit. Here's why.
22
Design Ideas for Mathematics Site
22
Happy First Birthday, M.SE!
21
Vote to Close as Exact Duplicate should Accept MathOverflow Question URLs
20
Can we please stop asking "Is this homework?"
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Convert HTML entities to Unicode and vice versa
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JavaScript break sentence by words
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How to center content in a UIScrollView with contentOffset
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Speeding up this fractal-generating code
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How can I not use Django's admin login view?

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