Difference Engine Weierstrass: A machine to compute mathematical tables – Any continuous function can be approximated by a polynomial – Any Polynomial can be computed from difference tables [latex] \int{(n)} = n^{2}+n+41 \\ d1(n) = \int{(n)} – \int{(n-1)} = 2n \\ d2(n) = d1{(n)} – d1{(n-1)} = 2 \\ [/latex] Make a Table with the …