**TI83F*

Created by TI-Smartview CE 5.4.0.1858     ð  ß THEP2     ß Ý PYCDThemeE_Indice_Tlecomp_Pb2.py 
from math import sqrt
def logBriggs(a):
    u=a;n=0
    while abs(u-1)>=0.001:
        u=...
        n=n+1
    u=u-1
    for k in range(...):
        u=...
    return(u)


Ê;