February 2012
9 posts
Mathjax
I just put mathjax into my theme, so I am testing it out. If p is an odd prime, then
\[ p \equiv 1 \pmod{4} \iff \exists x,y \in \mathbb{Z} \; | \; x^2 + y^2 = p. \]
6 tags
4 tags
Pi
Here are some rational approximations to pi that I computed, each entry looks like: {fraction, decimal expansion of that fraction (to 15 digits), percent error}. Just a reminder- pi to 15 digits is 3.14159265358979.
{4, 4.00000000000000, 27.3}
{3, 3.00000000000000, 4.51}
{19/6, 3.16666666666667, 0.798}
{160/51, 3.13725490196078, 0.138}
{1744/555, 3.14234234234234, 0.0239}
{644/205,...