Mathematica

<T> = +4 (The World In Black & White)

<T> = -4 (I Love The Way She Calls Me 'Idiot')

<T> = -9 (Paper People)

<T> = -2 (Think Bucky, Think)

<T> = 0 (She Sleeps Naked)

<T> = -3 (Eigen Value)

<T> = +2 (The Question Is)

<T> = +5 (On The Stairs Remember?)

<T> = -1 (Mathematica, Mathematicians Don't Wear Ties)