Fat Math

I am many times
the sum of my parts.
A Women's Plus.
Plus, what? This is my equation:
Mind and body often at odds.
Never a fraction of my former self.
I am exponentially irrational.
I will conquer but not be divided. If the tree is
covered with apples and my appetite
is infinite, will there be
enough pie? Let's double the recipe.
I can describe my volume and circumference;
but no matter how often I re-work the problem,
there is always a remainder.