He's a bit overly obsessed with polynomials for the taste of modern maths, but it's still fun.
- Lists of mathematical problems | 13, 293, 3
- The beauty of mathematics | 405, 846, 8
- Mathematics | 17, 30k, 679
- Ciro Santilli's Homepage | 262, 222k, 4k
- Riemann hypothesis | 34