Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

You are not logged in.

- Topics: Active | Unanswered

Pages: **1**

**Identity****Member**- Registered: 2007-04-18
- Posts: 934

If you want to see some examples of difficult problems, head on over to:

It's a great website run by these two 'rocket scientists', and what's more, you can send them problems for them to solve, and it's all free of charge. I found them through YouTube!

Note that the examples they have are all in **Video** format.

Offline

Pages: **1**