channelflow.org

**This is an old revision of the document!** ----

====== Math 445 lecture 10: more ''for'' ====== Here's a in finite series for $pi^2/6$ \begin{eqnarray*} \pi^2/6 = 1 + 1/2^2 + 1/3^2 + 1/4^2 + 1/5^2 + . . . . . = pi^2/6 \end{eqnarry*}