Hi Bruce,

>x^1.5, f(x) = f(a) + f'(a)*(x-a) - f''(a)*(x-a)^2/2! + f'''(a)*(x-a)^3/3! - ...

Hmm, it hard to see it like this, maybe I'll look it up and see a graphic, but is the 2! under the entire 3rd term and the 3 factorial under the whole 4th term?