__all__ = [
    'add', 'add_nums', 'arr_sum', 'tup_sum', 'subtract', 'subtract_nums',
    'arr_subtract', 'tup_subtract', 'multiply', 'multiply_nums',
    'arr_multiply', 'tup_multiply', 'divide', 'divide_nums', 'arr_divide',
    'slope_intercept', 'point_slope', 'slope_formula', 'vertex', 'standart',
    'axis_symetry', 'sum_of_cubes', 'different_of_cubes', 'cube',
    'area_of_triangle', 'area_of_circle', 'circumfrence', 'area_of_rect',
    'trapezoid_midsegment', 'volume_of_rect_prism', 'volume_of_tri_prism',
    'volume_of_cylander', 'volume_of_cone', 'volume_of_rect_pyramid',
    'volume_of_tri_pyramid', 'volume_of_sphere', 'volume_of_hemisphere'
    ]
