let h = 1e-1000 let diff(f) = (x) = (f(x + h) - f(x)) / h let f(x) = x^10+x^9+x^8+x^7+x^6+x^5+x^4+x^3+x^2+x+1 let x = 100 let d = 0 forever do let n = f(x) term.log("f"+("'"*d)+"("+x+") = "+n) if (n == 0) break f = diff(f) d += 1