Top Network Posts
- 187My son's Sum of Some is beautiful! But what is the proof or explanation?
- 92Why is every answer of $5^k - 2^k$ divisible by 3?
- 83Is "women men girls love meet die" a valid sentence?
- 70Surprising identities / equations
- 33In a 30-60 right triangle the side opposite the 30 degree angle is half the length of the hypotenuse. Why?
- 28Simplest or nicest proof that $1+x \le e^x$
- 23Pair of compasses drawing a square (from children's fiction)
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