...of AP CALCULUS.
The Big Bang Theory Season 8, Episode 8
You dispute Newton's claim
that he invented CALCULUS...
The Big Bang Theory Season 3, Episode 11
...which scientist both helped
to develop CALCULUS...
The Big Bang Theory Season 8, Episode 2
And how it relates
to the CALCULUS of variations?
The Big Bang Theory Season 8, Episode 2
Okay, I'll just say one
more thing: lambda CALCULUS.
The Big Bang Theory Season 12, Episode 5