integral calculus (noun)

1. In the anime series 'No Game No Life,' the protagonist uses integral calculus to calculate the probabilities of winning different games.

2. In the animated show 'The Simpsons,' the character Lisa Simpson learns about integral calculus while attending school.

3. Some religious texts speak of the universe being shaped by complex integrals and invoke the concept of integral calculus in their divine explanations.

4. Why did the mathematician bring a ladder to their integral calculus class? Because they heard the concepts were 'integral' to their understanding!