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Henry earned this badge 20 times |
apr 30 at 3:04
Is $2^{1093}-2$ a multiple of $1093^2$?
feb 20 at 4:05
Can a path avoid a dense set?
jan 8 at 11:34
How do I calculate the derivative of $x|x|$?
oct 16 at 10:56
Give an example of a function $f\colon\mathbb{R}\to\mathbb{R}$ which is continuous except at the integers
sep 14 at 17:18
Keep the value of an 8-sided die roll, or gamble by taking a 12-sided die roll. What's the best strategy?
feb 13 '12 at 4:21
How much math education was typical in the 18th & 19th century?
feb 7 '12 at 18:12
Odd-Odd-Even-Even Sequence
feb 5 '12 at 23:38
Prove that $n! > \sqrt{n^n}, n \geq 3$
feb 3 '12 at 2:28
A lady and a monster
dec 23 '11 at 17:19
What do you call numbers such as 100, 200, 500, 1000, 10000, 50000 as opposed to 370, 14, 4500, 59000
sep 14 '11 at 7:46
Help understanding this proof
sep 8 '11 at 4:51
Prove that $6|2n^3+3n^2+n$
sep 5 '11 at 2:48
Getting the name of combinatorial problems
aug 2 '11 at 2:26
Collatz Conjecture exclusivity
jun 9 '11 at 18:06
how to simplify $\frac{\log_2 625}{\log_2 125}$
jun 6 '11 at 15:37
A question on circles
jun 6 '11 at 13:52
$ \biggl\lfloor{\frac{x}{1!}\biggr\rfloor} + \biggl\lfloor{\frac{x}{2!}\biggr\rfloor} + \cdots \biggl\lfloor{\frac{x}{10!}\biggr\rfloor}=1001$
apr 18 '11 at 5:43
The locus of two perpendicular tangents to a given ellipse
mar 8 '11 at 15:55
How many circles to cover 2 times bigger circle?
