Does this formula exist?

[open totem]

$\frac{d^n}{dx^n} f(x) = \lim_{h\to0} \frac{1}{h^n} \sum_{i=0}^{n} {n \choose i} (-1)^n f(x + (n - i)h)$

[fossil roost]

1. Wait patiently for a helper to come along.
2. Once someone helps you, say thank you and close the thread with: ```diff
   +close