You still have a number of syntax errors:
You cannot use a variable in an equation until you define it.
If the IF statement is not true, then none of you 'var' statements get set
Then undefined values are used in the equation.
You don't have a <form> tag so you will not be able to determine
the values of document.race.value or document.Class.value at they are invalid
In your equations, you are using variable that have not ever been defined, see:
Vit, Int, Dex, etc.
You cannot set the value of the <TEXTAREA> in the way you are trying. See #2 above.
I would suggest using the error console of FF to see the errors. There may be more, I just quit looking.
And, no, you have not "already said that the desired outcome is."
If you had, we would not be questioning what it is that you're trying to do! Drop the attitude if you want to continue to be helped.
If you make certain entries in the textboxes and choose certain values
from the drop down selections, what should the output be?