Top network posts

• 233 How can I evaluate $\sum_{n=0}^\infty(n+1)x^n$?
• 108 Proof that a trigonometric function of a rational angle must be non-transcendental
• 58 Is there a "good" reason why $\left\lfloor \frac{n!}{11e}\right\rfloor$ is always even?
• 50 What is the original source of "Everything in the world is about sex, except sex. Sex is about power."?
• 45 What is the best rest position for two elevators in a 10-story building?
• 40 How is possible that those shapes are equivalent in topology?
• 39 Trigonometry to the 24th power
• View more network posts →