Here we can construct our own polynomial $y(x)$ up to some large number of orders. The function has the form: $$y = c_0 + c_1(x-a) + c_2(x-a)^2 + c_3(x-a)^3 + c_4(x-a)^4 + c_5(x-a)^5 + c_6(x-a)^6 + c_7(x-a)^7 + c_8(x-a)^8 + c_9(x-a)^9\nonumber$$

	Limits in x: to Display in y: to Number of points: a:
$c_0$ $c_1$ $c_2$ $c_3$ $c_4$ $c_5$ $c_6$ $c_7$ $c_8$ $c_9$