**TI83F*

Created by TI-Smartview CE 5.4.0.1055     ã  Ò TI7CA6    Ò Ð PYCD
TI7CA6.py from math import *
def archimede(n):
    c=1
    nb_cotes=6
    for i in range(2, n+1):
        c=sqrt(c**2/4+(1-sqrt(1-c**2/4))**2)
        nb_cotes=nb_cotes*2
    return(nb_cotes*c/2)õ;