Two young mathematicians investigate the arithmetic of large and small numbers.

Check out this dialogue between two calculus students (based on a true story):
Devyn
Hey Riley, remember
Riley
It is equal to !
Devyn
But was that crazy proof with all the triangles really necessary? I mean, just plug in zero.
Riley
You were going to say “,” right?
Devyn
Yeah, but now I’m not sure I was right.
Riley
Dividing by zero is usually a bad idea.
Devyn
You are right. I will never do it again! Also, don’t tell anyone about this conversation.
Riley
What conversation?
Devyn
Exactly.
Consider the function
Consider the function
Consider the function