* a0 + a1 x + a2 x2 + ... + ak-1 xk-1 + akxk + ... |
* a0 + a1 x + a2 x2 + ... + ak-1 xk-1 + akxk + ... |
The Wiki accepts the HTML conventions for simple superscripts (exponents for you math folks) and subscripts (also known as indices). Just edit this page to see how they are used.
A quadratic equation looks like this:
A power series looks like this: