You dispute Newton's claim
that he invented CALCULUS...
The Big Bang Theory Season 3, Episode 11
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
...which scientist both helped
to develop CALCULUS...
The Big Bang Theory Season 8, Episode 2
...of AP CALCULUS.
The Big Bang Theory Season 8, Episode 8