A page of infinite sums
up

This is not only a page of dynamic HTML layout exercise, but also an illustration of how some infinite sums converge to finite values.
The layout doesn't look so good in IE, sorry.

Xn=Xn-1•
A
B
= X0•
An
Bn
Sn=sum0 to n(Xn)

X0=
A=
B=
n=
hey
Sn=




i've since worked out that sum[i: 0->infinity, 1/(d^i)] is d/(d-1).
it took a little bit of math to get there, so it surprised me that it's such a simple formula.