100 guests

Rough Hits : 2997869

Everything should be made as simple as possible, but not simpler.
--Albert Einstein

$$\cos x = \sum\limits_{n = 0}^\infty {\frac{{\left( { - 1} \right)^n x^{2n} }}{{\left( {2n} \right)!}}}$$

Haiku and BeOS

Thursday, 06 January 2011 07:09