MIT 6.00 Problem Set 2

MIT 6.00 Introduction to Computer Science and Programming Problem Set 2
"Successive Approximation"
Parts 1, 2, 3 - "Polynomials, Derivatives and Newton's Method": A
program that uses Newton's method of successive approximation to find
the root of a given polynomial function.
Merge branch 'master' of https://github.com/VictoriaWard/Exploring-Python