Can I ever be natural?
17:21
an interesting result regarding Pythagorean triples...
15:50
The first Markov chain.
18:12
a combination of classic problem types
45:04
Why There's 'No' Quintic Formula (proof without Galois theory)
17:26
Os pesquisadores pensaram que isso era um bug (integrais de Borwein)
16:04
Egyptian Fractions have THIS amazing property!
13:24
An interesting infinite sum
22:04