series12
========


calc_terme
----------

>>> from series12 import calc_term

>>> calc_term(0.1, 0, 0.1)    # doctesttag: +TAG=1_func-1_calc_term
-0.1997

>>> calc_term(0.1, 1, -0.1997)    # doctesttag: +TAG=1_func-1_calc_term
0.1987

>>> calc_term(0.1, 2, 0.1987)    # doctesttag: +TAG=1_func-1_calc_term
-0.1987

>>> calc_term(1.0, 0, 1.0)    # doctesttag: +TAG=1_func-1_calc_term
-1.6829

>>> calc_term(1.0, 1, -1.6829)    # doctesttag: +TAG=1_func-1_calc_term
1.181

>>> calc_term(0.5, 0, 0.1)    # doctesttag: +TAG=1_func-1_calc_term
-0.9983

>>> calc_term(0.5, 1, -0.9983)    # doctesttag: +TAG=1_func-1_calc_term
0.842

>>> calc_term(0.5, 2, 0.842)    # doctesttag: +TAG=1_func-1_calc_term
-0.886


sum4terms
---------

>>> from series12 import sum4terms

>>> sum4terms(0.1, 0.1)    # doctesttag: +TAG=1_func-2_sum4terms
-0.1

>>> sum4terms(0.5, 0.1)    # doctesttag: +TAG=1_func-2_sum4terms
-0.94

>>> sum4terms(1.0, 0.1)    # doctesttag: +TAG=1_func-2_sum4terms
-2.72

>>> sum4terms(0.5, 0.5)     # doctesttag: +TAG=1_func-2_sum4terms
-0.49