Top network posts

• 120 Why is $\frac{987654321}{123456789} = 8.0000000729?!$
• 57 Can every proof by contradiction also be shown without contradiction?
• 56 Is there a simple, constructive, 1-1 mapping between the reals and the irrationals?
• 52 Prove that $\log(n) = O(\sqrt{n})$
• 34 Making 400k random choices from 400k samples seems to always end up with 63% distinct choices, why?
• 33 How many positive integers $< 1{,}000{,}000$ contain the digit $2$?
• 27 Why does $ \int_0^1 \lceil { x\sin({1 \over x})} \rceil \,dx = 1 - \frac{\log(4)}{2\pi} $?
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