Look at the beta FUNCTION
of quantum chromodynamics.
The Big Bang Theory Season 1, Episode 5
I feel like an inverse tangent FUNCTION
that's approaching an asymptote.
The Big Bang Theory Season 2, Episode 13
Stormtroopers actually combine both
the FUNCTION of infantry and military police. Heh.
The Big Bang Theory Season 8, Episode 19
...to FUNCTION in 18th century Vienna.
The Big Bang Theory Season 4, Episode 21
And what is my FUNCTION as wingman?
The Big Bang Theory Season 3, Episode 12