There is a small error in your manual calculation (as well as in Mathcad's).
Keep in mind that sqrt(x^2) is NOT x but rather |x|.
This would result in "women = absolute problems"
(BTW, I know this little joke with "evil" instead of "problems", which would lead us to "women=absolute evil")
On the other hand - its well known that women stem from a different universe and we mere males will never ever be able to calculate or understand them or their minds.
BTW, here are a few different equations for Valery to implement in Mathcad 😉
For some background information, and clearer equations: