LemonPi

# Naive implementation of reduce normal form with some helper functions
from fractions import *

# helper functions
def row_sub(reduceby, reduceto, index):
    """
    Take row to reduce and row to reduce by with the index of the element to
    reduce to 0. Assume reduce by has value 1 in the index of reduceto.
    """
    row_merged = []

LemonPi

def newton(n, r, p = 0):
    """
    (int(n), num(r), int(p)) -> float
    Return the nth root of a positive number r displaying p correct decimals.
    """

    x = 1  # start with guess = 1

    while True:
        fx = x**n - r  # function of this form solves all roots